Dr. Douglas White is an emergency medicine physician at Wilma Chan Highland Hospital in Oakland, California, where he directs the Emergency Department HIV, hepatitis C, and syphilis screening, linkage, and rapid treatment program. Since 2004, he has advanced routine HIV screening in U.S. emergency departments through implementation science research, program development, and advocacy. His work has focused on integrating opt-out HIV screening into standard ED workflows, using EHR-based tools to support screening, linkage, and re-engagement, and developing ED-based models for rapid antiretroviral therapy initiation. Dr. White’s work centers on improving access to HIV diagnosis, treatment, and longitudinal care for underserved populations disproportionately affected by HIV and other communicable diseases.