Education

• PhD in Mathematics with Statistics emphasis, December 2014. Missouri University of Science and Technology, Missouri, USA
  Dissertation title: On Some Inferential Problems with Recurrent Event Models
  - Adivsor: Dr. Akim Adekpedjou
• M.Sc in Mathematics, May 2012. Missouri University of Science and Technology, Missouri, USA
• M.Sc in Statistics, May 2009. Sam Houston State University, Texas, USA
• Degree of Master of Philosophy, August 2006, University of Ruhuna, Matara, Sri Lanka
  Thesis title: Modeling Financial Market from Normal Behavior Towards Critical Crashes
  -Adivsor: Dr. J.R. Wedagedra
• B.Sc. in Mathematics, July/August 1996, University of Kelaniya, Kelaniya, Sri Lanka
• Society of Actuaries
  • Exam P    March 2010
  • Exam FM   April 2013
  • Exam MLC   April 2014

Employment

• Department of Mathematics, University of Ruhuna, Matara, Sri Lanka (07/98 - Present)- Senior Lecturer
  
• Department of Mathematics and Statistics, Missouri University of Science and Technology, Missouri, USA (08/09 - 12/2014) - Teaching Assistant
  
• Department of Mathematics and Statistics, Sam Houston State University, Texas, USA ( 08/07 - 05/09) - Teaching Assistant

Research Interest

• Parametric and Nonparametric Methods in Survival Analysis; Recurrent Events; Applied Stochastic Processes; Financial Mathematics; Financial Time Series and Actuarial Science

Publications

• Adekpedjou, A., De Mel, W. A. R. and Zamba, K. D. (2015) A Random Cells-Based Chi-Square Test with Recurrent Event Data, Scandinavian Journal of Statistics Theory and Applications
• Adekpedjou, A., Stocker, Russell and De Mel, W. A. R. (2013) A Class of Inference Procedures for Validating the Generalized Koziol-Green Model with Recurrent Events, Computational Statistics and Data Analysis, 62, 83-92
• De Mel, W. A., Adekpedjou, A. and Zamba, K. D. A Random Cells-Based Chi-Square Test with Recurrent Event Data, Proceedings of the Joint Statistical Meetings, Montréal, Canada, August 2014
• Wedagedara, J. R. and De Mel, W. A. (2006) Some Politics and Statistical Physics Behind a 1994 Crash in Colombo Stock Market, Ruhuna Journal of Science, Vol-I, 133-147

Work in Progress

• Power Analysis, Pitman Efficiencies of Chi-Square Tests with Recurrent Events
  
• Stochastic Approximation Method Using Bivariate Partial Likelihood for Analysis of Large Geostatistical Data

Conference Presentation

• Joint Statistical Meetings (JSM), Montreal , Canada, August 2013
• Joint Statistical Meetings (JSM), San Diego, California, USA, August 2012 (Presented by co-author)
• Conference of Texas Statisticians (COTS), Sam Houston State University, Texas, USA 2009

Attended Meetings

• Zurich Summer School, ETH Zurich, Switzerland, August 28 - September 1, 2006
• Ruhuna International School on Computational Mathematics and Physics 2004, University of Ruhuna, Matara, Sri Lanka, December 20 - 31, 2004

Awards

• Outstanding Graduate Student in Statistics, 2008, Department of Mathematics and Statistics, Sam Houston State University, Huntsville, Texas

Professional Affiliations

• American Statistical Association (ASA)
• American Mathematical Society (AMS)
• Sri Lanka Association for the Advancement of Science (SLAAS)

Computer Skills

• SAS, R, MATLAB, MINITAB, FORTRAN
• Latex, Microsoft Office