David Barr began working on HIV/AIDS issues in 1985. The scope of David’s work has included treatment access and clinical research, addressing stigma and discrimination, HIV prevention policy, HIV funding structures, drug policy, strategic planning, facilitation and program evaluation.

In 2003, David coordinated the creation of the HIV Collaborative Fund, a partnership of the International Treatment Preparedness Coalition (ITPC) and Tides Foundation, which provides small grants for community-based HIV treatment awareness, literacy, community mobilization and advocacy projects.

Since 1987, David has served in senior policy positions at Lambda Legal Defense and Education Fund, Gay Men’s Health Crisis, the Forum for Collaborative HIV Research at the George Washington University School of Public Health, and the Drug Policy Alliance.

David has served in a number of capacities, including as a member of the AIDS Roundtable of the Institute of Medicine (IOM), the Global Fund for AIDS, TB and Malaria Technical Evaluation Review Group (TERG), the US Public Health Service Panel to Set Guidelines for the Use Anti-Retroviral Drugs, the PEPFAR Scientific Advisory Committee, and the Executive Committee of the US NIH AIDS Clinical Trial Group (ACTG).

David was a founding member of the Treatment Action Group and the ACT UP Treatment and Data Group. He currently consults as part of the Fremont Center. Consulting clients have included the Ford Foundation, New York City Department of Health, New York State AIDS Institute, Open Society Institute, UNAIDS and UNDP.