Interns
Grace Castelin (She/Her)
Health Equity Intern
Grace brings valuable experience in equity and social justice work from her work as a YW Homes and Gender Pay Equity Intern, where she worked to develop sustainable housing solutions and raising awareness of the gender pay gap. She also worked on voter participation as a Democracy Fellow for the Campus Vote Project and as an intern for the League of Women Voters Florida. Grace was the President of the UCF NAACP chapter and published research on anti-DEI legislation in Florida. She is pursuing her M.S. in Public Policy at Carnegie Mellon University, where she focuses on data-driven, equity-centered policy. She will be completing the second year of her program in Washington, D.C., as a fellow of the Aspen Institute’s Benefit Transformation Initiative Team. She aspires to be a well-rounded policy reform advocate, bridging data analysis and policy advocacy to drive change–and is considering a law degree to expand her tools for systemic change.
Jaemin Kim (He/Him)
Partnerships Intern
Jaemin brings a strong background in health care access strategies. He is the founder of AutoSurgic Inc., which is developing a novel medical device to improve minimally invasive surgery. He has also worked with organizations such as Remote Area Medical to deliver free mobile medical services to underserved communities and co-founded an initiative to provide free virtual medical appointments to Americans in need. For his contributions to advancing medical accessibility through technological innovation, he was named a Shortlist Winner for the International Children’s Peace Prize. He has also advocated for immigrant rights through policy research and direct engagement with lawmakers, and has conducted research in antibiotic resistance and health policy. Jaemin is expected to graduate from Duke University in May 2028 with degrees in Health Policy, Mathematics, and Global Health.
Emmanuella Osei (She/Her)
Communications Intern
Emmanuella Osei joins Families USA as a Communications Intern through the Karel Fellowship. She is currently pursuing a Bachelor of Arts in Public Health and Sociology at the University of Maryland, Baltimore County (UMBC), with an expected graduation in May 2026. Originally from Ghana, Emmanuella brings a global perspective to her work, having completed short-term study abroad programs in South Africa, Costa Rica, and Switzerland, where she explored different health systems and approaches to public health. Furthermore, Emmanuella has research experience in areas such as food insecurity among college students and disparities in access to care for individuals with long COVID. Emmanuella has also worked with several nonprofit organizations, including Luminus Network for New Americans, the CASH Campaign of Maryland, and Columbia Community Care. She is deeply passionate about health equity, public service, and social justice, and is committed to advancing meaningful change in underserved communities.
Margaret "Maggie" Whatley (She/Her)
Health Policy Intern
Maggie joins Families USA with a background in health policy advocacy with the Melanoma Research Foundation and experience with workforce development at the U.S. Chamber of Commerce Foundation. She also worked directly providing ABA therapy and support for children with autism at Ally Behavior Centers and Verbal Beginnings. Maggie is passionate about health equity, child development, and community outreach. She is expected to graduate from George Washington University in May 2026 with an MPH in Public Health with a concentration in Health Policy. She also holds a BA in Public Health and a BA in Neuroscience from Franklin & Marshall College.