Roosevelt Institute Welcomes Marissa Guananja and Scott Millstein to Executive Team

Marissa Guananja joins the organization as Chief Programs Officer with over 15 years of progressive movement experience. In this role, Guananja will lead all programmatic activities including the Think Tank, Network, and Advocacy departments. She will oversee long-term strategy development, fundraising, and organizational development. Guananja joins the organization from her role as a Program Officer, Family Economic Security at the W.K. Kellogg Foundation. Guananja received her bachelor’s degree in psychology from Mount Saint Mary’s College in Los Angeles, and her master’s degree in public policy from George Washington University in Washington, DC. She is currently a 2022 master of business administration candidate at the University of Michigan’s executive program and sits on the board of Carina, a home and childcare partner of SEIU.

Scott Millstein assumes the role of Chief Administrative Officer with over 20 years of senior leadership experience in the nonprofit sector. In this role, Millstein will oversee the Roosevelt Institute’s administrative departments and support a number of cross-organizational initiatives aimed at strengthening the organization’s equity practices and human capital strategies.Prior to joining Roosevelt, Millstein served as the Executive Director of the Coro New York Leadership Center. Under his leadership, Coro developed a new strategic vision, expanded its programs, developed new partnerships with government, and greatly increased alumni engagement. Millstein also worked for 10 years at Safe Horizon, where he served as Chief of Staff and Chief Operating Officer, leading strategy and managing day-to-day agency operations. Millstein started his career in public service working for New York City government. Millstein is a graduate of the University of Pennsylvania and holds a graduate degree in public policy from Columbia University.