Santanu works as the Lead Statistician with the Economics and Statistical Unit (ESU). Prior to joining CEGIS, he held various roles across esteemed organizations, including Research Director, LEAD at Krea University; Senior Fellow, NCAER & Deputy Director, NCAER National Data Innovation Centre; Research Scientist, Public Health Foundation of India.

He holds a PhD in Survey Methodology from University of Maryland, USA and a Masters in Statistics from the University of Calcutta.

With over 15 years of professional experience, Santanu specializes in evaluation studies, sampling techniques, survey weights, questionnaire design, and the assessment of both sampling and non-sampling errors. His expertise also extends to small area estimation, innovative modes of data collection, and remote monitoring of data collection activities methods. Santanu is passionate about combining multiple data sources to enhance data-based research and policy making.