He is Co-Director of HIV Clinical Services and Director of the HIV Clinical Trials Unit at Kaiser Permanente in Sacramento. As a provider of HIV clinical care for more than a decade, he has worked both in the nonprofit, community-based clinic setting and, for the past five years, in a large nonprofit health maintenance organization. Active in regional and national HIV issues, he is a member of Kaiser Permanente's regional HIV Advisory Board and a national representative on the American Academy of HIV Medicine board of directors, with interests in patient care issues and public policy.