He also has an Adjunct Associate Professor appointment in the Department of Statistics. He received his PhD in Statistics from the University of Wisconsin. The main focus of Dr. Sen's research is recurrent event data, analysis of competing risks, accelerated failure-time modeling, and Bayesian methodologies in survival analysis and reliability.. Dr. Sen is an elected member of the International Statistical Institute. He currently serves on the editorial board of the journals Computational Statistics and Data Analysis and Communications in Statistics. Courses Taught