Andrew has worked in the Public Health and Human Services field for over twenty years. In Florida he worked as an HIV/AIDS educator and helped market the State Child Health Insurance Program (SCHIP) to uninsured families. He also has experience as a college instructor, economist, reporter, caseworker, filmmaker, public information representative, music performer and producer. Andrew has lived in Florida, Washington D.C. , the Big Island of Hawaii, and San Francisco. He runs an independent music recording label called Zeitgeist Rekords and currently plays bass in a San Francisco-based band called Thrillouette. He has been the Director of the San Francisco Immunization Coalition, a community-based nonprofit, since November 2002.

Andrew is a nationally recognized speaker in the filed of public health, vaccine-preventable disease, and health information. He currently serves on the Board of the California Immunization Coalition and is the Chair of the San Francisco/Bay Area Pertussis Task Force.