Ritam Chowdhury is an Indian writer, physician, epidemiologist and biostatistician scientist of Bengali descent. His work in the fields of applied epidemiology, health economics and outcomes research has contributed towards evidence-based medicine guidelines for oncology, heart disease, diabetes and trauma care. 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.