Dr. Margaret S. Marcus is a fellow at The Century Foundation, working on improving prospects for English learners. She is also the executive director of the Sullivan Family Charitable Foundation, a private family foundation dedicated to improving educational outcomes for English learners, as well as responsive grant-making both domestically and abroad.

Dr. Marcus obtained her PhD in the Applied Linguistics and Language Education (ALLE) program at the University of Maryland, College Park, in the Spring of 2020. Her dissertation “Bilingual in a Monolingual District: Stakeholder Perspectives on Equitable Access to Dual Language Programs,” explores the similarities and differences of parents, policy-makers, and school leaders as well as access to dual-language education (DLE) programs in a local school district. 

Dr. Marcus has worked for a number of education policy research and advocacy organizations, including the Education Trust and Parents Amplifying Voices in Education (PAVE). Prior to pursuing her PhD, she was an instructional coach in a bilingual D.C. public charter school and a former DLE teacher in DC Public Schools. She began her teaching career in Puerto Rico as a Title I ninth grade Spanish teacher. Dr. Marcus lives in Chevy Chase, Maryland with her husband, her three bilingual daughters (Spanish/English), and a menagerie of pets.