She also teaches at ColumbiaÕs Schools of Law and International and Public Affairs. She works on the progressive development of international law and policy vis a vis, health, gender, sexuality and rights, with particular attention to the intersection of human rights and humanitarian action, the impact of legal regulation on rights, and rights-based approaches in health programming. In 1998-1999, she was a Rockefeller Fellow in the Program for the Study of Sexuality, Gender, Health and Human Rights at the School of Public Health.