Ritam Chowdhury is an Indian writer, physician, epidemiologist and biostatistician scientist. He is the Research Director of Medical Associates for Research and Communication (MARC). He also holds appointments as Visiting Instructor of Epidemiology and Biostatistics at the Global Health Department of Rollins School of Public Health, Atlanta and Statistical Consultant for the Instructional Computing Facility at Harvard School of Public Health (HSPH), Boston.