Sandip Roy is positive psychology writer, happiness science speaker, and medical doctor. Founder of Happiness India Project, chief editor of its blog since 2014. The site features articles on positive psychology, human strengths, happiness. Authored chapter 'Psychiatric Disorders in Pregnancy' in textbook 'Selected Topics in Obstetrics and Gynaecology For Postgraduates and Practitioners', 2009. Lives in Delhi, India.