A lifelong resident of San Mateo County, Noelia Corzo is a single mom and the daughter of Guatemalan immigrants. She studied Sociology at Cañada College and San Francisco State University obtaining her A.A. and B.A. degrees.

Noelia has worked as a social worker, foster youth advocate, and community organizer. She was twice-elected Board Trustee of the San Mateo-Foster City School District and served as Board President during Covid. Noelia made history as the first Latina elected to the San Mateo County Board of Supervisors and is currently the only woman on the Board. Supervisor Corzo represents District Two which is made up of San Mateo, Foster City, and over half of Belmont. She lives in San Mateo with her son, Mikey, and her dog, Quetzi.