Rena Greifinger is an award-winning social entrepreneur, philanthropy leader, and advocate for women and girls. She leads Individual Philanthropy at Population Services International (PSI) and is Managing Director of the Maverick Collective by PSI, a community of women philanthropists making catalytic investments in health and reproductive rights to advance gender equality.

Rena has been at PSI for 10 years, having spent the first five as the organization’s Global Advisor for Youth & Girls, and then founder of Maverick Next. Previously, she spent 15 years working on adolescent and youth sexual and reproductive health and gender equity initiatives in the US and globally. Rena sits on the boards of Next Step and Mamamtoto Village, a community based maternal health organization serving Black women and families in Washington D.C. She is a recipient of the Harvard School of Public Health’s Albert Schweitzer Award, Sara’s Wish Foundation’s Global Humanitarian Award, and was named one of Apolitical’s Top 100 Influencers in Gender Policy in 2021.  Rena holds a Master’s of Science from the Harvard School of Public Health.