Whether their focus is on key populations, the needs of orphans and vulnerable children, or financing, advocates agree on the need for further policy and advocacy interventions to ensure an effective response to HIV. Between January 2014 and August 2015, the USAID- and PEPFAR- funded Health Policy Project's HIV Policy and Advocacy Monitor interviewed 18 people who are making a difference. Explore these faces of advocacy with the photo matrix below or the navigation on the top right and learn about their diverse efforts, backgrounds, and motivations.