Jaynal Abedin currently holds the position of senior statistician at the Centre for Communicable Diseases (CCD) at the International Centre for Diarrhoeal Disease Research, Bangladesh (http://www.icddrb.org/). He attained his bachelor's and master's degrees in statistics from the University of Rajshahi, Bangladesh. He has extensive experience in R programming and Stata, and has good leadership qualities. He has contributed to two books on R and also developed an R package named edeR, short for e-mail data extraction using R, which is available at CRAN (http://cran.rproject.org/web/packages/edeR/index.html). He is currently leading a team of statisticians. He has hands-on experience in developing training material and facilitating training in R programming and Stata, along with statistical aspects in public health research. His primary areas of interest in research include causal inference and machine learning. He is currently involved in several ongoing public health research projects, and is a coauthor of nine peer-reviewed scientific papers. Moreover, he is involved in several work-in-progress manuscripts. He works as a freelance statistician in online marketplaces and has obtained a good reputation for his work.