He has worked as an organizer, counselor, director, consultant, policy advisor and foundation program officer. He has served on numerous boards of directors and currently serves on the boards of Parents for Public Schools, Mission Council and Chairs the Policy Committee of the San Francisco Family Support Network. Mario has received recognition and awards for his work from several communities and foundations including Grantmakers for Children, Youth and Families and Stanford's Haas Center for Public Service Leadership Award.
Mario, together with his wife Ruth, are dedicated and loving parents of three children Isela, Monica and Daniel. Mario holds an MA in public administration from Cal-State Hayward and a BA in Political Science from Golden Gate University.