Ann Biddlecom joined the Guttmacher Institute in 2016 as a Director of International Research. Her research interests are in the areas of sexual and reproductive health, sexual behavior, family planning services, adolescent health, fertility and survey measurement. Previously, she served as Chief of the Fertility and Family Planning Section in the Population Division of the United Nations from 2009 to 2016, and she held prior research positions at the Guttmacher Institute, the University of Michigan and the Population Council. Dr. Biddlecom is a member of the International Union for the Scientific Study of Population, Population Association of America and the Union of African Population Studies. She received a PhD in sociology and population studies from Brown University.