Josselin Castillo is a seasoned government relations professional with over a decade of experience in federal and state policy, advocacy, and political strategy. As the Principal for Federal Government Relations at the National Federation of Independent Business (NFIB), she leads federal advocacy on health care and tax policy impacting small businesses. Named one of The Hill’s Top Lobbyists in 2023 and 2024, Josselin has been a trusted advisor to lawmakers and industry leaders. Prior to NFIB, she led national grassroots, direct lobbying, and advocacy campaigns on health care and immigration at Americans for Prosperity and The LIBRE Initiative.
A proud Honduran immigrant and Virginia Commonwealth University graduate, Josselin is also a bilingual political analyst featured on Univision, Telemundo, and Fox Noticias. Her work bridges policy, media, and community engagement, reflecting her passion for expanding economic opportunity and uplifting underrepresented voices.