GFS Contributing Authors
Gallup
Manas Chattopadhyay is a researcher at Gallup, Inc., based in Rockville, Maryland, where he specializes in survey methodology and population sampling. He is a co-author of the Global Flourishing Study's survey sampling design documentation, contributing to the methodology that underpins the study's nationally representative samples across 22 countries. His work spans large-scale health and wellbeing surveys including the National Couples' Health and Time Study.