Melissa Begg is Dean of the Columbia School of Social Work. She is a population health scientist deeply committed to developing the strongest possible evidence base for human health and well-being. She previously served as Vice Provost for Academic Programs at Columbia University and vice dean of public health; she was also co-director of the Irving Institute for Clinical and Translational Research. Her early research focused on methods for evaluating associations from sibling studies, especially as applied to early life determinants of adult health. She has directed a number of NIH-funded training programs, including two career development programs to promote diversity in the health sciences. Dr. Begg was given the University-wide Presidential Award for Outstanding Teaching in 2006. As an academic administrator, she has focused on convening interdisciplinary scientific teams, developing innovative curricula, creating academic mentorship programs, and advancing diversity in the research workforce.