Jonathan Wittenberg is President and CEO of the Guttmacher Institute. In this role, he guides the Institute in advancing its vision to ensure sexual and reproductive health and rights for all. Mr. Wittenberg is responsible for setting the organization’s strategic direction, mobilizing the resources needed to sustain its programs, and serving as a spokesperson and champion for its work externally. His contributions to Guttmacher’s work range from co-authoring a report on young people’s sexual and reproductive health needs in Malawi to guiding the Institute’s strategic response to the Supreme Court’s Dobbs decision. He has recently co-authored op-eds on the role of philanthropy in responding to the crisis brought on by that ruling, along with journal articles on the current state of sexual and reproductive health around the globe.
Mr. Wittenberg has more than 20 years of experience in the field of sexual and reproductive health and rights and has served in a number of roles at the Institute. From 2007 to 2019, he led Guttmacher’s fundraising efforts, first as Director of Development (2007–2013) and then as Vice President for Development (2013–2019). In these roles, he oversaw a period of major growth in the organization’s funding from private foundations, government agencies and individual donors. From 2019 to 2023 he served as Executive Vice President and from 2024 to 2026 as Co-CEO.
Prior to joining Guttmacher, Mr. Wittenberg worked in the International Health Policy program at the Commonwealth Fund, where he conducted policy analysis and managed relationships with Fund grantees. His work in the field of sexual and reproductive health and rights began with a public policy internship at Physicians for Reproductive Health (then known as Physicians for Reproductive Choice and Health). Mr. Wittenberg received a BS in health sciences from James Madison University and an MPH from the Yale School of Public Health. He currently serves on the Board of Directors of Planned Parenthood of Southeastern Pennsylvania, having recently concluded a six-year term on the board of the Abortion Liberation Fund of Pennsylvania. He and his family reside in Philadelphia.
