Susan Pietrzyk is a researcher and project manager with 25+ years of international development experience. She has a diverse technical background in food security, nutrition, gender, HIV/AIDS, sexual-decision-making, and maternal and child health. Her methodological expertise centers on research related to vulnerable populations as part of efforts to address health disparities, reduce food insecurity, and promote behavior change. Dr. Pietrzyk is an innovative leader and collaborator with extensive experience in Africa, Asia, the Caribbean, Latin America, and the Middle East. Before joining ICF, Dr. Pietrzyk worked at Development Alternatives, Inc. (DAI). Her project work in agricultural development, natural resource management, and economic development included in-country management of small- and microenterprise population-based household surveys and leading a USAID-sponsored gender & HIV committee as part of a larger HIV/AIDS multi-sectoral approaches working group. As a Fulbright Scholar in Zimbabwe, Dr. Pietrzyk worked with community-based organizations to evaluate the ways advocacy around gender equality, reducing violence, and sexual rights are vital elements in addressing HIV/AIDS. Dr. Pietrzyk has a Ph.D. in Anthropology.