• 2005-2009        Ph. D. in Statictics, Hacettepe University, Thesis Title: A Study on Bivariate Dependent Compound Poisson Processes.
• 2005-2002        M. Sc. in Statistics, Hacettepe University, Thesis Title: A Study on Compound Poisson Process.
• 2002-1997        B. Sc. in Statistics, Hacettepe University.

• 2020 - ...            Hacettepe University, Department of Statistics Professor Doctor
• 2012 - 2020        Hacettepe University, Department of Statistics Associate Professor Doctor
• 2012 - 2017        Hacettepe University, Department of Statistics Vice Chairman
• 2012 - 2015        Hacettepe University, Head of Statistical Information Systems
• 2010 - 2012        Hacettepe University, Department of Statistics Lecturer Doctor
• 2009 - 2010        Hacettepe University, Department of Statistics Research Assistant Doctor
• 2002 - 2009        Hacettepe University, Department of Statistics Research Assistant

• Guest Researcher, Delft University of Technology, Holland, 2018.
• Guest Researcher, ICTP, Italy, 2007.

• Ozel, G., Stokastik Surecler ve R Uygulamalari, Seckin Yayincilik, 2020. https:

• Ozel, G., Statistics of Earthquakes, Wiley StatsRef: Statistics Reference Online, 2017.
• Ozel, G., Stochastic Processes for the Risk Management, Handbook of Research on Behavioral Finance and Investment Strategies: Decision Making in the Financial Industry,  IGI Global, 188-196, 2015.
• Ozel, G., Big Data Techniques and Applications, Encyclopedia of Business Analytics and Optimization, IGI Global, 351-360, 2014.
• Ozel, G., Pattern Recognition Techniques, Encyclopedia of Business Analytics and Optimization, IGI Global, 1788-1798, 2014.
• Ozel, G., Seismological Risk Assessment, Encyclopedia of Environmetrics, John Wiley & Sons, 2013.

1. Cekim, H., Guney, C.O., Senturk, O., Ozel, G., Ozkan, K., A Novel Approach for Predicting Burned Forest Area, Natural Hazards, Accepted (Indexed by SCI).
2. Ali, Z. Ali, A., Ozel, G., A modification in generalized classes of distributions: A New Topp–Leone Class as an Example, Communications in Statistics-Theory and Methods, 1-23, Online Published (Indexed by SCI).
3. Khan, N. M., Cekim, H.O., Ozel, G., The Family of Bivariate Integer Valued Autoregressive Process (BINAR (1)) with Poisson-Lindley Innovations, Journal of Statistical Computation & Simulation, 90 (4), 624-637, 2020 (Indexed by SCI).
4. Shah, M., Mashwani, W., Kumam, W., Kumam, P, Chesneau, C., Jaml, F., Ozel, G., et al., Application of Mixed Sampling to Real Life Data: A Case Study on Socio-Economic Determinants by Using SEM and CFA Techniques, Mathematics, 8 (3), 337, 2020  (Indexed by SCI).
5. Afify, A., Yousuf, H.M., Alizadeh, M., Ghosh, I., Ray, S., Ozel, G., The Marshall-Olkin Transmuted-G Family of Distributions, Stochastics and Quality Control, Online Published (Indexed by ESCI).
6. Reyad, H., Jamal, F., Ozel, G., Othman, S., The Poisson Exponential-G Family of Distributions with Properties and Applications, Journal of Statistics and Management Systems, Online Published, (Indexed by ESCI).
7. Raather, A., Ozel, G., On Weighted Power Lindley Distribution with Applications in Medical Science, Pakistan Journal of Statistics and Operation Research, 225-237 (Indexed by ESCI).
8. Abbas, S., Mustafa, F., Taqi, S.A., Cakmakyapan, S., Ozel, G., A Note on Topp-Leone Odd Log Logistic Inverse Exponential Distribution, Journal of Statistical Theory and Applications, 19(3), 397-407, 2020. (Indexed by ESCI).
9. Jamal, F., Elgarhy, M., Nasir, A., Ozel, G., Elgarhy, M., Khan, N.M., Generalized Inverted Kumaraswamy Generated Family of Distributions: Theory and Applications, Journal of Applied Statistics, 46(16), 2927-2944, 2019. (Indexed by SCI).
10. Turkan, S., Ozel, G., Determinants of Electricity Consumption Based on the NUTS 2 Regions of Turkey: A Panel Data Approach, Regional Statistics, 9(1), 2019, 9(1), 1-15, 2019. (Indexed by ESCI).
11. Arshad, R. M. I., Imran, S.,  Jamal, F.,  Ozel, G., A Comparison of Modality Tests Based on Real Life Data Applications, Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, 56(1), 69-75, 2019. (Indexed by ESCI)
12. Hashmi, S., Haq, M.A., Usman, R., Ozel, G., The Weibull Moment Exponential Distribution: Properties, Characterizations and Applications, Journal of Reliability and Statistical Studies, 12(1), 1-22, 2019. (Indexed by ESCI)
13. Alabbasi, J., Khaleel, M.A., Abdal-hammed, M.K., Loh, Y.F., A New Uniform Distribution with Bathtub Shaped Failure Rate with Simulation and Application, Mathematical Sciences, 13(2), 105-114, 2019. (Indexed by ESCI)
14. Altun, E., Tatlidil, H., Ozel, G., Value-at-Risk Estimation with New Skew Extension of Generalized Normal Distribution, Communication in Statistics: Theory and Methods, 48(1), 1-19, 2018. (Indexed by SCI)
15. Alizadeh, M., Altun, E., Ozel, G., Afshari, M., & Eftekharian, A., A New Odd Log-Logistic Lindley Distribution with Properties and Applications, Sankhya-A, Online Published. (Indexed by ESCI)
16. Arshad, R.M.I., Imran, S., Jamal, F., Ozel, G., A Comparison of Modality Tests Based on Real Life Data Applications, Proceedings of the Pakistan Academy of Sciences, 56 (1), 69-75, 2019. (Indexed by ESCI)
17. Alizadeh, M., Altun, E., Afify, A., Ozel, G., The Extended Odd Weibull-G Family: Properties ad Applications, Communications Faculty of Sciences University of Ankara Series A1: Mathematics and Statistics, 68(1), 161-186, 2019. (Indexed by ESCI)
18. Altun, E., Tatlidil, H., Ozel, G.,  Conditional ASGT-GARCH Approach to Value-at-Risk, Iranian Journal of Science and Technology, Transactions A: Science, 43(1), 239-247, 2019. (Indexed by SCI)
19. Cakmakyapan, S. & Ozel, G., Lindley-Rayleigh Distribution with Application to Lifetime Data, Journal of Reliability and Statistical Science, 11(2), 9-24, 2018. (Indexed by ESCI)
20. Cordeiro, G.M., Afify, A., Yousof, H., Cakmakyapan, S., Ozel, G., The Lindley Weibull Distribution: Properties and Applications, Annals of Brazilian Academy of Sciences, 90(3), 2579--2598, 2018. (Indexed by SCI)
21. Elgarhy, M., Nasir, M.A., Jamal, F., Ozel, G., The Type II Topp-Leone Generated Family of Distributions: Properties and Applications, Journal of Statistics and Management Sciences, 21(8), 1529-1551, 2018. (Indexed by ESCI)
22. Usman, R., Haq, M., Bursa, N., Ozel, G., Exponentiated Transmuted Power Function Distribution: Theory and Applications, Gazi Journal of Science, 31(2), 660-675, 2018. (Indexed by ESCI)
23. Ozel, G., Altun, E., Alizadeh, M. & Mozafari, M., Odd Log-Logistic Log-Normal Distribution with Theory and Applications, Advances in Data Science and Adaptive Analysis, 10(4), 2018. (Indexed by ESCI)
24. Altun, E., Tatlidil, H., Ozel, G., Nadarajah, S., A New Generalization of Skew-T Distribution with Volatility Models, Journal of Statistical Computation and Simulation, 88(7), 1252-1272, 2018. (Indexed by SCI)
25. Altun, E., Tatlidil, H., Ozel, G., Nadarajah, S., Does the Assumption on Innovation Process Play an Important Role for Filtered Historical Simulation Model?Journal of Risk and Financial Management, 11(1), 7, 2018. (Indexed by ESCI)
26. Cakmakyapan, S., Ozel, G., Gebaly, G. & Hamedani, G.G., The Kumaraswamy Marshall-Olkin Log-Logistic Distribution with Application, Journal of Statistical Theory and Applications, 17(1), 59-76, 2018. (Indexed by ESCI)
27. Unal, C., Cakmakyapan, S., Ozel, G., Alpha Power Inverted Exponential Distribution: Properties and Application, Gazi Journal of Science, 31(3), 954-965, 2018. (Indexed by ESCI)
28. Altun, E., Khan, M., Alizadeh, M., Ozel, G., Butt, N.S., Extended Half-Logistic Distribution with Theory and Lifetime Data Application, Pakistan Journal of Statistics and Operation Research, 14(2), 331-343, 2018. (Indexed by ESCI)
29. Alizadeh, M., MirMostafee, S.M.T.K, Altun, E., Ozel, G., Ahmadi, M., The Odd Log-Logistic Marshall-Olkin Power Lindley Distribution: Properties and Lifetime Data Applications, Journal of Statistics and Management Sciences, 20(7), 1065-1093, 2018. (Indexed by ESCI)
30. Türkan, S., Ozel, G., A Jackknifed Estimators for the Negative Binomial Regression Model, Communications in Statistics: Simulation and Computation,  DOI: 10.1080/03610918.2017.1327069. (Indexed by SCI)
31. Altun, E., Alizadeh, M., Ozel, G., Tatlidil, H., Maksayi, N., Forecasting Value-At-Risk With Two-Step Method: Garch-Exponentiated Odd Log-Logistic Normal Model, Romanian Journal of Economic Forecasting, 20(4), 97-115, 2017. (Indexed by SSCI)
32. Çakmakyapan, S., Ozel, G., The Lindley Family of Distributions: Properties and Applications, Hacettepe Journal of Mathematics and Statistics, 46(6), 1113-1137, 2017. (Indexed by SCI)
33. Ozel, G., Alizadeh, M., Çakmakyapan, S., Hamedani, G.G., Ortega, E., Cancho, V., The Odd Log-Logistic Lindley Poisson Model for Lifetime Data, Communications in Statistics: Simulation and Computation, 46(8), 6513-6537, 2017. (Indexed by SCI)
34. Türkan, S., Ozel, G., Efficiency of State Universities in Turkey During the 2014-2015 Academic Year and Determination of Factors Affecting Efficiency, Education and Science, 42(191), 307-322, 2017. (Indexed by SSCI)
35. Haghbin, H., Ozel, G., Alizadeh, M., Hamedani, G.G., A New Generalized Odd Log-Logistic Family of Distributions, Communications in Statistics: Theory and Methods, 46(20), 9897-9920, 2017. (Indexed by SCI)
36. Afify, Z.A., Altun, E., Alizadeh, M., Ozel, G., Hamedani, G.G., The Odd Exponentiated Half-Logistic-G Family: Properties, Characterizations and Applications, Chilean Journal of Statistics, 8(2), 65-91, 2017. (Indexed by ESCI)
37. Alizadeh, M., Altun, E., Ozel, G., Odd Burr Power Lindley Distribution with Properties and Applications, Gazi Journal of Science, 30(3), 135-159, 2017. (Indexed by ESCI)
38. Elgarhy, M., Haq, M.A., Ozel, G., Nasir, M.A., A New Exponentiated Extended Family of Distributions with Applications, Gazi Journal of Science, 30(3), 101-115, 2017. (Indexed by ESCI)
39. Alizadeh, M., Ozel, G., Altun, E., Abdi, M., Hamedani, G.G., The Odd Log-Logistic Marshall-Olkin Lindley Model for Lifetime Data, Journal of Statistical Theory and Applications, 16(3), 382-400, 2017. (Indexed by ESCI)
40. Karagul, B.Z., Ozel, G., Truncated Lomax Distribution with Applications in Insurance, International Journal of Appled Mathematics and Statistics, 56(6), 99-112, 2017. (Indexed by ESCI)
41. Cordeiro, G.M., Alizadeh, M., Ozel, G., Hosseini, B., Ortega, E., Altun, E., The Generalized Odd Log-Logistic Family of Distributions: Properties, Regression Models and Applications, Journal of Statistical Computation and Simulation, 87(5), 908-932, 2017. (Indexed by SCI)
42. Tutkun, N.A., Ozel, G., Assessing the Influence of Climate Change Characteristics on the Rainfall Duration of Turkey, Natural Hazards, 84(3), 2265-2277, 2016. (Indexed by SCI)
43. Ozel Kadilar, G., A New Exponential Type Estimator for the Population Mean in Simple Random Sampling, Journal of Modern Applied Statistical Methods, 15(2),  207-214, 2016. (Indexed by ESCI)
44. Ozel  Kadilar, G., Tutkun Ata, N., Discrete Frailty Model with Compound Poisson Distribution, International Journal of Ecological Economics & Statistics, 37(3), 1200-130, 2016. (Indexed by ESCI)
45. Cordeiro, G.M., Saboor, A., Khan, M.N., Ozel, G., Pascoa, M.A.R., The Kumaraswamy Exponential Weibull Distribution: Theory and Applications, Hacettepe Journal of Mathematics and Statistics, 45(4), 1203-1229, 2016. (Indexed by SCI)
46. Türkan, S., Ozel, G., A New Modified Jackknifed Estimator for the Poisson Regression Model, Journal of Applied Statistics, 43(10), 1892-1905, 2016. (Indexed by SCI)
47. Ozel Kadilar, G., Effect of Driver, Roadway, Collision, and Vehicle Characteristics on Crash Severity: A Conditional Logistic Regression Approach, International Journal of Injury Control and Safety Promotion, 23(2), 135-144, 2016. (Indexed by SSCI)
48. Ozel, G., Çakmakyapan, S., A New Approach to the Prediction of PM10 Concentrations in Central Anatolia Region, Turkey, Atmospheric Pollution Research, 6(5), 735-741, 2015. (Indexed by SCI)
49. Ozel Kadilar,  G., Efficiency Analysis of Foundation Universities in Turkey, Education and Science, 40(177), 31-41, 2015. (Indexed by SSCI)
50. Ozel, G., Çingi, H., Oguz, M., Separate Ratio Estimators for the Population Variance in Stratified Random Sampling, Communications in Statistics: Theory and Methods, 43(22), 4766-4779, 2014. (Indexed by SCI)
51. Ozel Kadilar, G., Efficiency Analysis of State Universities: A Case of Turkey, Hacettepe University Journal of Education, 29(3), 124-136, 2014. (Indexed by SSCI)
52. Türkan, S., Ozel, G., Modeling Destructive Earthquake Casualties Based on a Comparative Study for Turkey, Natural Hazards, 72(2), 1093-1110, 2014. (Indexed by SCI)
53. Ata, N., Ozel, G., Survival Functions for the Frailty Models Based on the Discrete Compound Poisson Process, Journal of Statistical Computation and Simulation,  83(11), 2105-2116, 2013. (Indexed by SCI)
54. Ozel, G., On the Moment Characteristics for the Univariate Compound Poisson and Bivariate Compound Poisson Processes with Applications, Revista Colombiana De Estadistica, 36(1), 59-77, 2013. (Indexed by SCI)
55. Ozel, G. & Inal, C., On the Probability Function of the First Exit Time for Generalized Poisson Processes, Pakistan Journal of Statistics, 28(1), 27-40, 2012. (Indexed by SCI)
56. Ozel, G., On Certain Properties of a Class of Bivariate Compound Poisson Distributions and an Application to Earthquake Data, Revista Colombiana De Estadistica, 34 (3), 545-566, 2011. (Indexed by SCI)
57. Ozel, G., A Bivariate Compound Poisson Model for the Occurrence of Foreshock and Aftershock Sequences in Turkey, Environmetrics, 22(7),  847-856, 2011. (Indexed by SCI)
58. Ozel, G., Inal, G., The Probability Function of a Geometric Poisson Distribution, Journal of Statistical Computation and Simulation, 80(5), 479-487, 2010. (Indexed by SCI)
59. Ozel, G., Inal, G., The Probability Function of the Compound Poisson Process and An Application to Aftershock Sequence in Turkey, Environmetrics, 19(1), 79-85, 2008. (Indexed by SCI)

1. Shah, M.A.A., Ozel, G., Chesneau, C., Mohsin, M., Jamal, F., Bhatti, M.F., A Statistical Analysis Study of the Determinants of RIce Crop Production in Pakistan, Pakistan Journal of Agricultural Research, 225-237, 2020.
2. Murat, U., Ozel, G., Exponentiated Weibull-Logistic Distribution, Bilge International Journal of Science and Technology, 4(2), 55-62, 2020.
3. Tekin, S., Ozel, G., Alfa Power Distribution and an Application, Nicel Bilimler Dergisi, 2(1), 33-46, 2020.
4. Shah, M.A., Ozel, G., Jamal, F., Tariq, A., The Social and Economic Problems of Home-based and Outdoor Women Labour Problems in Punjab, Pakistan, The E-Journal of International and Comparative Labour Problems, 8(2), 98-109, 2019.
5. Elbatal, I., Altun, E., Afify, A.Z., Ozel, G., The Generalized Burr XII Power Series Distributions with Properties and Applications, Annals of Data Science, 6(3), 571-597, 2019.
6. Ozel, G., Markov Zinciri Kullanarak Ankara Ili icin Hava Kirliligi Tahmini, Bilge International Journal of Science and Technology, 3(2), 144-156, 2019
7. Altun, E., Alizadeh, M., Afify, A.Z., Ozel, G., The Generalized Odd Half-Logistic Family of Distributions with Regression Models, International Journal of Statistics and Economics, 20(1), 88-110, 2019.
8. Arshad, R.M.I., Jamal, F., Shah, M.A.A., Ozel, G., Imran, S., Stringency Criterion for Modality Tests, Proceeding of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, 55(3), 53-27, 2018.
9. Yegen, D., Ozel, G., Marshall-Olkin Half Logistic Distribution with Theory and Applications, Alphanumeric Journal, 6(2), 407-416, 2018.
10. Haq, M.A., Elgarhy, M., Hashmi, S., Ozel, G., Ain, Q.,  Transmuted Weibull Power Function Distribution: its Properties and Applications, Journal of Data Science, 397-418, 2018.
11. Haq, M., Usman, R., Bursa, N., Ozel, G., McDonald Power Function Distribution with Theory and Applications, International Journal of Statistics and Economics, 19 (2), 2018.
12. Nasir, M.A., Tahir, M.H., Jamal, F., Ozel, G., A New Generalized Burr Family of Distributions for the Lifetime Data, Journal of Statistics, Applications and Probability, 6 (2), 1-17, 2017.
13. Isik, H., Turfan, D., Ozel, G., Double Truncated Dagum Distribution with Applications, International Journal of Mathematics and Statistics, 18(2), 61-78, 2017.
14. Ozel, G., Ceylan, R. Investigating the Factors which are Effective on Ice Cream Consumption of Consumers, The Journal of Operations Research, Statistics, Econometrics and Management Information Systems, 4(2), 2016.
15. Ozel, G., On the Mean First Exit Time for a Compound Poisson Process, Journal of Data Science, 14 (2), 2016.
16. Bursa, N., Ozel Kadilar, G., Investigation of Turkey Credit Default Swaps with Entropy Concept, Eurasian Econometrics, Statistics & Emprical Economics Journal, 3, 23-32, 2016.
17. Ozel, G., Modified Exponential Type Estimator for Population Mean Using Auxiliary Variables in Stratified Random Sampling, The Journal of Operations Research, Statistics, Econometrics and Management Information Systems, 3(2), 49-56, 2015.
18. Altun, E., Ozel, G., Wind Speed Analysis with the Upper Truncated Quasi Lindley Distribution, Journal of Statistical and Econometric Methods, 4(4), 17-39, 2015.
19. Ozel, G., Turkan, S., Neyman type A distribution for the natural disasters and related casualties in Turkey, Journal of Data Science, 13, 533-550, 2015.
20. Ozel, G., Cakmakyapan, S., A New Distribution and Application on the Lifetime Data, World Academy of Science, Engineering and Technology, 9(7), 1158-1162, 2015.
21. Ozel, G., Unlu, I., Avrupa Birligi Üyesi Ülkelerin Refah Düzeyini Etkileyen Faktörler: Path Analizi Yaklasimi, Nevsehir Journal of Science and Technology, 4(1), 97-107, 2015.
22. Turkan, S., Ozel, G., Modified Influential Observation Detection in Bayesian Regression Using Conjugate Prior Distribution, International Journal of Statistics and Economics, 16 (2), 47-59, 2015.
23. Cakmakyapan, S., Ozel, G., A New Customer Lifetime Duration Distribution: The Kumaraswamy Lindley Distribution, International Journal of Trade, Economics and Finance, 5 (5), 441-444, 2014.
24. Ozel, G., Ata, N., Probabilistic Prediction of Bank Failures with Financial Ratios: An Empirical Study on Turkish Banks, Pakistan Journal of Statistics and Operation Research, 9 (4), 409-428, 2013.
25. Ata, N., Ozel, G., An Alternative for the Proportional Hazards Model: Using Accelerated Failure Time Model for the Destructive Earthquake Analysis in Turkey, International Journal of Ecological Economics & Statistics, 30 (3), 21-36, 2013.
26. Ozel, G., Solmaz, A., Türkiye'de Deprem Tekrarlanma Zamaninin Tahmini ve Neotektonik Bölgelere Göre Depremselligin Markov Zinciri ile Incelenmesi, Çankaya University Journal of Science and Engineering, 9 (2), 125-138, 2012, (In Turkish).
27. Ozel, G., A New Method for Evaluation of Bivariate Compound Poisson Distribution for Aggregate Claims, Gazi University Journal of Science, 24 (2), 241-248, 2011.
28. Ata, N., Ozel, G., A Multivariate Non-Parametric Hazard Model for Earthquake Occurrences in Turkey, Journal of Data Science, 9 (4) 529-548, 2011.
29. Ozel, G., Inal, C., Distribution Function of First Exit Time for a Compound Poisson Process, Anadolu University Journal of Science and Technology-B Theoretical Sciences, 1 (2), 91-104, 2011.
30. Unvan, Y.A., Ozel, G., Avrupa Birligi'ne Üyelik Sürecinde Etkili Faktörlerin Kosullu Lojistik Regresyon Modelleri ile Degerlendirilmesi,Journal of Istanbul University Econometrics and Statistics, 14, 62-83, 2011, (In Turkish).
31. Ata, N., Ozel, G., Comparing Survival and Conditional Logistic Regression Models in Turkish Bank Failures, Journal Karya Asli Lorekan Ahli Matematik (Journal Kalam), 3 (1),17-28, 2010.
32. Unvan, Y.A., Ozel, G., A Comparison of Multinomial Logistic and Multinomial Conditional Logistic Regression Models in Turkish Bank Failures, Suleyman Demirel University the Journal of Faculty of Economics and Administrative Sciences, 4 (2), 199-212, 2009.
33. Ozel, G.. Inal, C., The Probability Function of the Compound Poisson Distribution Using Integer Partitions and Ferrer's Graph, Bulletin of Statistics and Economics, 2 (1), 75-87, 2008.
34. Ozel, G., A Stochastical Model for the Earthquake Occurrences in Turkey, Süleyman Demirel Üniversitesi Fen Bilimleri Dergisi, 12 (3), 160-167, 2008.
35. Ozel, G., Tüketicilerin Süt Tercihinde Etkili Olan Faktörlerin Incelemesine Yönelik Bir Arastirma, Suleyman Demirel University the Journal of Faculty of Economics and Administrative Sciences, 13 (3), 227-240, 2008, (In Turkish).
36. Ozel, G., Inal, C., Cumulative Distribution of First Exit Time for a Compound Poisson Process, Bulletin of the International Statistical Institute, 62, 2890-2893, 2007.
37. Ozel, G.. Ata, N., Eksik Gözlem Degerlerine Sahip OECD Ulkelerinin Bebek Sagligi ile Ilgili Analizinde Yerine Koyma Yöntemlerinin kullanilmasi, Dogus University Journal, 8 (2), 218-233, 2007 (In Turkish).

• Cakmakyapan, S. Ozel, G., The Lindley-Frechet Distribution and Properties with Lifetime Data Application, 11th International Statistics Days Conference, October 3-7, 2018, Mugla, Turkey.
• Ozel, G., Kadilar, C., Modified Exponential Type Estimators for Population Mean in Stratified Random: An Application on the Geometric Distributed Aftershocks,  International Conference on Applied Mathematics in Engineering, June 27-29, 2018, Balikesir, Turkey.
• Ozel, G., Cekim, H., Kadilar, C., Ln Type Estimator Under Stratified Random Sampling, International Conference on Applied Mathematics in Engineering, June 27-29, 2018, Balikesir, Turkey.
• Ozel, G., Kadilar, C., A New Topp-Leone Extended Weibull Distribution as a Sampling Distribution, International Conference on Mathematical Advances and Applications, May 11-13 2018, Istanbul, Turkey.
• Ozel Kadilar, G. & Kadilar, C., Granger Casuality Analysis for Temperature Change, International Conference on Mathematical and Related Sciences, April 30-May 4 2018, Antalya, Turkey.
• Ozel Kadilar, G., Kadilar, C., Air Pollution Analysis for Ankara by Air Pollution Index Highly Correlated with Meteorological Variables, International Conference on Mathematical and Related Sciences, April 30-May 4 2018, Antalya, Turkey.
• Kadilar, C., Ozel, G., The Relationship Between Meteorological Variables and Air Pollutants: A Causality Approach, 4th International Researchers, Statisticians, and Young Statisticians Congress, April 28-30, Izmir, Turkey.
• Ozel, G., Cakmakyapan, S., On a New Generalization for Inverted Exponential Distribution, 4th International Researchers, Statisticians, and Young Statisticians Congress, April 28-30, Izmir, Turkey.
• Ozel Kadilar, C. & Kadilar, C., An Analysis of Air Quality Data with Markov Chains and Time Series, Statistical Network Science, October 25-27 2017, Palma de Mallorca, Spain.
• Kadilar, C & Ozel Kadilar, G., On the Graphical Markov Models with an Application, Statistical Network Science, October 25-27 2017, Palma de Mallorca, Spain.
• Turkan, S. & Ozel, G., Merkezsel Panel Veri Analizi ile Turkiye de Bolgesel Elektrik Tuketimi ve Ekonomik Buyume Iliskisinin Belirlenmesi, XVIII International Symposium on Econometrics Operations and Statistics, October 5-7 2017, Trabzon, Turkey.
• Ozel Kadilar, G. & Kadilar, C., Stochastic Image Processing with an Application, Foundations of Computational Mathematics, July 10-19 2017, Barcelona, Spain.
• Ozel Kadilar, G. & Cakmakyapan, S., A New Distribution for the Fatigue Lifetime, The 17th Conference of the Applied Stochastic Models and Data Analysis International Society and Demographics 2017 Workshop, June 6-9 2017, London, UK.
• Ozel Kadilar, G., Altun, E. & Alizadeh, M., Odd Log-Logistic Power Lindley Distribution with Theory and Lifetime Data Application, The 17th Conference of the Applied Stochastic Models and Data Analysis International Society and Demographics 2017 Workshop, June 6-9 2017, London, UK.
• Ozel Kadilar, G., Graphical Markov Models for Categorical Data Analysis, International Researchers, Statisticians and Young Statisticians Congress 2017, May 24-26 2017, Konya, Turkey.
• Ozel Kadilar, G., Deterministic and Stochastic Models of Infectious Diseases, International Researchers, Statisticians and Young Statisticians Congress 2017, May 24-26 2017, Konya, Turkey.
• Ozel Kadilar, G. & Turkan, S., Türkiye’de Bölgesel Elektrik Tüketimini Etkileyen Faktörlerin Panel Veri Analizi ile Incelenmesi, EconAnadolu 2017, May 11-13 2017, Eskisehir, Turkey.
• Ozel Kadilar, G. & Kadilar, C., Assessing Air Quality in Aksaray with Time Series Analysis, International Conference on Advances in Natural and Applied Sciences, April 17-21, 2017, Antalya, Turkey.
• Ozel Kadilar, G. & Kadilar, C., Statistical Analysis of Foundation Universities in Turkey, 7th World Conference on Learning, Teaching and Educational Leadership, October 27-29, 2016, Budapest, Hungary.
• Ozel, G. & Cakmakyapan, S., A New Generalized Lindley-Poisson Distribution, ICNAAM2016, September 19-27, 2016, Rhodos, Greece.
• Ozel, G. & Cakmakyapan, S., A New Statistical Distribution of Stock Exchange Price, ISBIS2016, June 10-12, 2016, Barcelona, Spain.
• Tutkun, N.A. & Ozel, G., Investigation of Performances for the State Universities in Turkey,  International Conference on Research in Education and Science (ICRES), May 19-22, 2016, Mugla, Turkey.
• Altun, G., Alizadeh, M., Altun, E., Ozel, G, Odd Burr Lindley Distribution with Properties and an Application, IRSYSC-2016, May 4-8, 2016, Ankara, Turkey.
• Bursa, N. & Ozel, G., The Exponentiated Kumaraswamy-Power Function Distribution, Second International Researchers, Statisticians and Young Statisticians Congress (IRSYSC-2016), May 4-8, 2016, Ankara, Turkey.
• Cakmakyapan, S. & Ozel, G., The Poisson Gamma Distribution for Wind Speed Data, International Conference on Advances in Natural and Applied Sciences, April 21-24, 2016, Antalya, Turkey.
• Tutkun, N.A. & Ozel, G., Failure time analysis with unobserved heterogeneity: Earthquake duration time of Turkey, International Conference on Advances in Natural and Applied Sciences, April 21-24, 2016, Antalya, Turkey.
• Kadilar, G.O. & Kadilar, C., Dependent Neyman type A processes based on common shock Poisson approach, International Conference on Advances in Natural and Applied Sciences, April 21-24, 2016, Antalya, Turkey.
• Turkan, S. & Ozel, G., Jacknifed estimator for the negative binomial regression model, 8th International Conference of the ERCIM Working Group on Computational and Methodological Statistics, December 12-14, 2015, London, UK.
• Karagul, B.Z. & Ozel, G.,  Truncated Lomax Distribution and an Application, 9th International Statistics Congress, October 28-31, 2015, Antalya, Turkey.
• Ozel, G. & Cakmakyapan, S., A New Distribution and Application on the Lifetime Data, 17th International Conference on Computational Statistics and Data Analysis, July 20-21, 2015, Paris, France.
• Cakmakyapan, S., Ata Tutkun, N., Ozel Kadilar, G., Analysis of Hacettepe University Faculty of Science Students Mobility for Studies, International Conference on New Horizons in Education, June 10-12, 2015, Barcelona, Spain.
• Tutkun A., N. & Ozel Kadilar, G. A Probalistic Risk Assessment of Time to Rainfall of Turkey: A Censoring Approach, 5th International Conference on Meteorology and Climatology of the Mediterranean, March 2-4 , 2015, Istanbul, Turkey.
• Ozel, G., Bivariate Kumaraswamy Distribution with an Application on Earthquake Data, ICNAAM 2014, September 22-28, 2014, Rhodos, Greece.
• Ozel, G. & Kadilar, C. A New Kind Estimator for the Population Mean in the Stratified Random Sampling, ICNAAM 2014, September 22-28, 2014, Rhodos, Greece.
• Turkan, S. & Ozel, G., Influential Observation Detection in Bayesian Regression Using Conjugate Prior Distribution: An Application on Pavement Data, BAYSM 2014, September 18-19, 2014, Vienna, Austria.
• Cakmakyapan, S. & Ozel, G., The Kumaraswamy Lindley Distribution for the Censored Data, 4th International Eurasian Conference on Mathematical Sciences and Applications, August 25-28, 2014, Vienna, Austria.
• Cakmakyapan, S. & Ozel, G. A New Customer Lifetime Duration Distribution: The Kumaraswamy Lindley Distribution, 3rd International Conference on Innovation, Trade and Economics,  June 22-23, 2014, Moskow, Russia.
• Ozel Kadilar, G., The Kumaraswamy-Generalized Exponential-Weibull Distribution, Young Women in Probability, 26-28 May, 2014, Bonn, Germany.
• Cakmakyapan, S. & Ozel, G., On the Generalized Marshall-Olkin Log-Logistic Distribution, 15th International Symposium on Econometrics, Operations Research and Statistics, May 22-25, 2014, Isparta, Turkey.
• Cakmakyapan, S., Ata, N. & Ozel, G., Statistical Analysis of Wind Speed Data, 15th International Symposium on Econometrics, Operations Research and Statistics, May 22-25, 2014, Isparta, Turkey
• Ozel, G. Improvement  of  Exponential  Type  Estimator  for  the  Population  Mean  in Stratified Random Sampling, 15th International Symposium on Econometrics, Operations Research and Statistics, May 22-25, 2014, Isparta, Turkey
• Unlu, I., Ozel Kadilar, G. & Fitoz, E., The Affecting Factors of Welfare Level for the European Union Countries: A Path Analysis Approach, 11th International Statistics Student Conference, May 17-19, 2014, Istanbul, Turkey.
• Ozel, G. Improvement  of  Exponential  Type  Estimator  for  the  Population  Mean  in Simple Random Sampling, 9th International Statistics Day Symposium, May 10-14, 2014, Antalya, Turkey.
• Cekim, O. H., Kadilar, C. & Ozel, G., Characterizing Forest Fire Activity in Turkey by Compound Poisson and Time Series Models, ICNAAM 2013, September 21-27, 2013, Rhodos, Greece.
• Cakmakyapan, S. & Ozel, G., On the Expected Value and Distribution Function of the First Exit Time for the Polya-Aeppli Process, ICNAAM 2013, September 21-27, 2013, Rhodos, Greece.
• Koyuncu, N. & Ozel, G., Exponential Estimators using Characteristics of Poisson Distribution: An Application to Earthquake Data, ICNAAM 2013, September 21-27, 2013, Rhodos, Greece.
• Ozel, G. & Ata, N., Lindley Frailty Model for a Class of Compound Poisson Processes, ICNAAM 2013, September 21-27, 2013, Rhodos, Greece.
• Ozel, G., Ratio Estimators Using Characteristics of Poisson Distribution with Application to Earthquake Data, International Days of Statistics and Economics, September 19-21, 2013, Prague, Czech Republic.
• Ozel, G., Bayesian Inference for the Compound Poisson Process, 8th Workshop on Bayesian Inference in Stochastic Processes, 2013, Milan, Italy.
• Ozel, G., Claim Sizes in the Compound Poisson Process from a Bayesian Viewpoint, Bayesian Young Statisticians Meeting, 2013, Milan, Italy.
• Ozel, G., Compound Poisson Models for Word Occurrences in DNA Sequences, 8th International Symposium of Statistics, 2012, Eskisehir, Turkey.
• Ozel, G., Special Cases of Compound Poisson Process for Word Occurrences in DNA Sequences, Leuven Statistics Days, 2012, Leuven, Belgium.
• Ozel, G., Moment Characteristics for the Univariate Compound Poisson Processes and Bivariate Compound Poisson Processes with Applications, 10th German Probability and Statistics Days, 2012, Mainz, Germany.
• Ozel, G., Türkiye'deki Devlet ve Vakif Üniversitelerinin Performanslarinin Veri Zarflama Analizi ile Belirlenmesi, IX. International Congress on Knowledge, Economy & Management, 2011, Sarajevo, Bosnia Herzigovina.
• Unvan, Y.A., Özel, G. & Ata, N., Predicting Turkish Bank Failures: An Empirical Comparison of the Survival, Ordinary and Conditional Logistic Regression, Econ Anadolu 2011 Post Crisis Dynamics, 2011, Eskisehir, Turkey.
• Ozel, G., Bivariate Polya-Aeppli Process and an Application, 12th International Econometrics, Operation Research and Statistics Symposium, 2011, Denizli, Turkey.
• Ozel, G., An Investigation on the Moments of Neyman, Polya-Aeppli and Thomas Distributions, 7th International Statistics Congress, 2011, Antalya, Turkey.
• Ozel, G., Investigation of Seismicity in Turkey with a Bivariate Compound Poisson Distribution, International Science and Technology Conference, 2010, Famagusta, Cyprus.
• Ozel,  G. &  Ata,  N., Estimating  Survival  Functions  for  Discrete  Frailty  Models  Based  on  the Compound Poisson Process, Prague Stochastic, 2010, Prague, Czech Republic.
• Ata, N. & Ozel, G., Evaluation of Seismicity in Turkey and Surrounding Area Using Survival Models, 10th International Vilnius Conference on Probability Theory and Mathematical Statistics, 2010, Vilnius, Lithuania.
• Ozel, G., Bivariate Compound Poisson Processes and Applications on Earthquakes in Turkey, 10th International Vilnius Conference on Probability Theory and Mathematical Statistics, 2010, Vilnius, Lithuania.
• Ozel, G. & Ata, N., Discrete Frailty Model with the Compound Poisson Process, 33rd Conference on Stochastic Processes and Their Applications, 2009, Berlin, Germany.
• Ata, N. & Ozel, G., The Use of Survival Models to Explain Bankruptcy in Turkey, 3rd International Conference on Mathematics and Statistics, 2009, Athens, Greece.
• Ozel, G., 2008, The Probability Functions for the Neyman Type Processes and Thomas Process with an Application on Traffic Accidents, Applied Statistics, 2008, Bled, Slovenia.
• Ozel, G. & Inal, C., Cumulative Distribution of First Exit Time for a Compound Poisson Process, 56th Session of ISI, 2007, Lisbon, Portugal.
• Ozel, G. & Inal, C., Aftershock Occurence Probabilities Using Monitoring of Aftershock Sequence of Turkey Between Years 1903 and 2005, Monitoring of Hazardous Geological Processes and Environmental State, 2006, Kyiv, Ukraine.

• Cakmakyapan, S. & Ozel, G., Modelling Air Pollution in Turkey Using Poisson-Gamma Process, Researchers and Statisticians Congress, September 12-13, 2013, Ankara, Turkey.
• Ozel, G., Big Data and Applications, 1st Young Statisticians Meeting, September 10-11, 2013, Ankara, Turkey.
• Ozel, G. & Inal, C., The Probability Function of Bivariate Compound Poisson Process, 6th Statistics Congress, 2009, Antalya, Turkey.
• Ozel, G. & Inal, C., A Study on the Neyman Type A, B Types and Thomas Distributions, 6th Statistics Symposium, 2008, Samsun, Turkey.
• Ozel, G. & Inal, C., The Probability Function of the Compound Poisson Distribution, 5th Statistics Conference, 2007, Antalya, Turkey.
• Ozel, G. &Inal, C., A Study on Compound Poisson Process, 4th Statistics Conference, 2005, Antalya, Turkey.

• Gazi Universtiy Journal of Science (Statistics Area Editor)
• Journal of Reliability and Statistical Studies
• American Journal of Theoretical and Applied Statistics
• GC University Journal of Statistics
• International Journal of Applied Science and Engineering Research
• International Journal of Data Analysis Techniques and Strategies
• International Journal of Latest Technology in Engineering, Management & Applied Science
• Journal of Contemporary Issues in Business Research
• Journal of Computer Science Research
• Science Journal of Applied Mathematics and Statistics
• SOP Transactions on Statistics and Analysis
• Studies in Mathematical Sciences

• Accident Analysis and Prevention
• Annals of the Brazilian Academy of Sciences
• Applied Mathematical Modelling
• Applied Mathematics and Computation
• Atmospheric Research
• Chemosphere
• Communications in Statistics-Simulation and Computation
• Communications in Statistics - Theory and Methods
• Computational Statistics and Data Analysis
• Complexity
• Expert Systems
• Filomat
• Iranian Journal of Science and Technology Transactions A: Science
• IEEE Access
• IEEE Transactions on Reliability
• Journal of Applied Statistics
• Journal of Behavioral Health Services and Research
• Journal of Nonparametric Statistics
• Journal of Statistical Computation and Simulation
• Journal of Testing and Evaluation
• Mathematics
• Mathematics and Computers in Simulation
• Meteorology and Atmospheric Physics
• Natural Hazards
• Neural Computing and Applications
• Plos One
• Reliability Engineering and System Safety
• Royal Society Open Science
• SpringerPlus
• Statistics
• Stochastic Environmental Research and Risk Assessment
• The American Statistician
• Traffic Injury Prevention

• Advances in Natural Science
• Advances in Statistics
• Afyon Kocatepe Üniversitesi Fen ve Mühendislik Bilimleri Dergisi
• AIMS Mathematics
• American Journal of Mathematical and Management Sciences
• American Journal of Theoretical and Applied Statistics
• Applications in Applied Mathematics
• Applied and Computational Statistics
• Applied Mathematics-A Journal of Chinese Universities
• Applied Economic Letters
• Asian Journal of Probability and Statistics
• Balikesir Universitesi Fen Bilimleri Enstitusu Dergisi
• Business and Economics Research Journal
• Cankiri Karatekin Universitesi IIBF Dergisi
• Communications University of Ankara Series A1: Mathematics and Statistics
• Cogent Mathematics and Statistics
• Current Journal of Applied Science and Technology
• Çankiri Karatekin Üniversitesi IIBF Dergisi
• Eskisehir Osmangazi University Journal of Economics and Administrative Sciences
• Far East Journal of Theoretical Statistics
• Gazi University Journal of Science
• Gazi Universitesi Muhendislik ve Mimarlik Fakultesi Dergisi
• Heliyon
• International Journal of Data Analysis Techniques and Strategies
• International Journal of Modelling, Simulation and Scientific Computing
• Istatistik Journal of the Turkish Statistical Association
• Journal of Applied Physical Science International
• Journal of Basic and Applied Sciences
• Journal of Biological Research & Applied Sciences
• Journal of Cost Analysis and Parametrics
• Journal of Data Science
• Journal of Economic Modelling and Econometrics
• Journal of Information Technology Research
• Journal of Iranian Statistical Society
• Journal of King Saud University
• Journal of Mathematical and Fundemental Sciences
• Journal of Modern Applied Statistical Methods
• Journal of Nonlinear Sciences and Applications
• Journal of Probability and Statistical Science
• Journal of Reliability and Statistical Studies
• Journal of Social Sciences
• Journal of Scientific Research and Reports?
• Journal of Statistics-GC University
• Journal of Statistical Theory and Applications
• Journal of Statistics Applications & Probability
• Journal of Statistical Theory and Practice
• Mathematica Slovaca
• Mathematical and Computational Applications
• Mathematical Methods in Applied Sciences
• Mathematical Problems in Engineering
• Modelling Earth Systems and Environment
• Open Access Journal of Science
• Open Journal of Statistics
• The Open Statistics & Probability Journal
• Open Transactions on Geosciences (GEOS)
• Pakistan Journal of Statistics
• Pakistan Journal of Statistics and Operation Research
• Politeknik Dergisi
• Punjab University Journal of Mathematics
• Revista Colombiana de Estadistica (Colombian Journal of Statistics)
• Science Journal of Applied Mathematics and Statistics
• Scientia Iranica
• Sohag Journal of Mathematics
• Statistics and Transition Series
• SOP Transactions on Economic Research
• SOP Transactions on Statistics and Analysis
• Statistical Journal of the IAOS
• Thai Statistician
• The Open Cybernetics & Systemics Journal
• Turkish Journal of Forestry
• Türkiye Klinikleri Biyoistatistik Dergisi

• Cakmakyapan, S., A Study on the Generalized Probability Distributions, Hacettepe University, 2017. (Ph-D)
• Akbas, S., Generalized Weibull Distributions,  Hacettepe University, 2019.
• Guneyligil, T.,  2014, Dependent Compound Poisson Processes Based on Common Shock Homogeneous Poisson Processes, Hacettepe University. (M.Sc.)
• Taday, D., 2015,  Türkiye'de Madencilik ve Tas Ocakçiligi Sektöründe Meydana Gelen Is Kazalarinin Ileri Istatistik Teknikleri ile Incelenmesi, Republic of Turkey, Social Security Institution. (M.Sc.)
• Bayrakli, A., 2017, Yildirim Beyazit University, (Co-Advisor), A Markov Model for Determining Prognosis of Depression and Related Psychological Disorders (M.Sc.)

• TUBITAK 2237A Doga Bilimlerinde Istatistiksel Modelleme Teknikleri ve Uygulamalari, www.kantitatifekoloji.net/modelleme
• TUBITAK 4004 Istatistigi Dogada Ogren
• European Network for Game Theory, Project Member, 2018-2022.
• European Cooperation for Statistics of Network Data Science, Project Member, 2017-2020.
• Purchasing of SAS, MATLAB and Eviews Programmes, BAB Project Director, Project Number: FAY-2015-7225.
• Purchasing of SAS, SPSS and MATLAB Programmes, BAB Project Director, Project Number: 014 A 601 002, 2014-2017.
• Programme for International Assessment of Adult Competencies (PIAAC), Project Member, 2014-2016.

• Department Farabi Coordinator, 2017 to present.
• Department Erasmus Coordinator, 2017-2020.
• Department Strategic Planning Coordinator, 2013 to 2015.
• Department Risk Planning Coordinator, 2013 to 2015.
• Bologna Process Member, 2012 to 2015.
• Department Student Intern Programme Coordinator,  2013 to 2015.
• Member of International Advisory Committee for  2nd International Conference on Telecommunication and Networks (TEL-NET 2016).
• Member of International Technical Committee ICPSB, 2015.
• Member of Executive and of Scientific Committees for 1th Young Statistician Symposium, 2013.
• Member of Executive and of Scientific Committees for 1th Researchers and Statistician Congress, 2013.
• Undergraduate Student Advisor, (2005-2009), (2013 to present).

• Tubitak 2237-a Arazi Cesitliliginin Entropi Temelli Algoritmalar ile Hesaplanmasi ve Haritalanmasi, (2019 to present)
• Inspector Education Programme for International Assessment of Adult Competencies, Republic of Turkey Ministry of Labour and Social Security, March 23-26, 2014, Antalya, Turkey.
• Inspector Education Programme for International Assessment of Adult Competencies, April 2013, Ankara, Turkey.
• Statistical Methods, Turkish Ministry of Finance 6th & &th  Group Inspector Education Programme, 2008, Alanya, Turkey.

• EURandom, Grant for Cost Action, Netherlands, 2017.
• Travel Award for ISBIS 2016, Barcelona, Spain.
• Recognized and Outstanding Reviewer Award and Certificate from Applied Mathematical Modelling, September 2014.
• Advisory of Best Poster Award, Hacettepe University, Faculty of Science, 2014.
• Grant for Young Women in Probability 2014, Bonn, Germany.
• Student Travel Award for Advanced School and Conference on Statistics and Probability in Life Sciences, 2007, Trieste, Italy.
• Ihsan Dogramaci Supreme Success Award, Hacettepe University, 2002.
• Honor Degree in Statistics, Hacettepe University, 2002.

• ISI (International Statistical Institute)
• ISBIS (International Society for Business and Industrial Statistics)
• IMS (International Mathematical Institute)
• IMA (Institute for Mathematics and its Applications)
• ISBA (International Society of Bayesian Analysis)