Chen Reis, JD, MPH, is an expert on sexual violence in settings affected by crises and on ethical and safety issues related to collection and use of data on sexual violence. She is a Clinical Associate Professor and Director of the Humanitarian Assistance Program at the Josef Korbel School of International Studies at the University of Denver. She was previously a technical officer at the World Health Organization with appointments in the departments of Gender and Women’s Health and Health Action in Crises. Over seven years at the WHO her responsibilities included managing the Sexual Violence Research Initiative (SVRI) as well as technical and policy work on gender, sexual violence prevention and response and sexual and reproductive health in humanitarian settings and on humanitarian policy issues including civil military coordination and humanitarian space. Ms. Reis continues to consult for WHO on projects relating to sexual violence including medico-legal aspects. Her current research is on accountability in the international humanitarian system and on sexual violence in conflict settings. She has also served as a Senior Research Associate with Physicians for Human Rights (USA) where her work included studies on sexual violence, children’s rights, women’s rights, HIV & AIDS, and conflict & health.