Kasia Malinowska-Sempruch is currently the Director of the International Harm Reduction Development program at the Open Society Institute (OSI), which has pioneered technical and financial support for harm reduction projects across Eastern Europe and countries of the former Soviet Union. OSI's International Harm Reduction Development Program (IHRD), based in New York, currently funds over 200 HIV prevention programs in 22 countries of Central and Eastern Europe and the former Soviet Union. Under her direction, IHRD has expanded its support to underserved communities such as prisoners, street children, the Roma communities, and commercial sex workers. Before joining the Open Society Institute, Kasia worked with the United Nations Development Program's HIV and Development Program in both New York City and Poland. Kasia received her Masters of Social Work from the University of Pennsylvania in 1992 and is now a doctoral student at Columbia University's School of Public Health.