Marni Sommer, DrPH, MSN, RN

Dr. Marni Sommer, an Associate Professor at Columbia University's Mailman School of Public Health and Director of the Gender, Adolescent Transitions and Environment (GATE) Program, is a globally recognized expert in menstruation, gender, and adolescent health. Her multifaceted work spans research, practice, and policy development, focusing on the intersections of gender, health, education, and environment for adolescents in diverse settings. Dr. Sommer has made significant contributions to improving menstrual hygiene management in humanitarian responses, leading the development of key resources and collaborating with UNICEF on global initiatives. As founder of Grow and Know, she has published millions of puberty books worldwide. Her current research examines menstruation issues across various populations, from homeless individuals to displaced girls in emergencies. A Senior Editor of Global Public Health, Dr. Sommer teaches courses on menstruation and global health at Columbia, including "Menstruation in a Global Context: Addressing Policy and Practice." Her comprehensive approach to menstrual health and adolescent development has established her as a pivotal figure in advancing global understanding and action in this critical field.