Philip J. Peters, MD, DTM&H, is a Medical Officer with the Division of HIV/AIDS Prevention, US Centers for Disease Control and Prevention, in Atlanta, Georgia. Dr. Peters is the activity leader for HIV testing in the Division of HIV/AIDS Prevention’s Epidemiology Branch. He is responsible for conducting epidemiologic and biomedical research activities to evaluate acute HIV infection and important HIV-related co-infections such as Staphylococcus aureus, influenza, and hepatitis B virus. Dr. Peters received his medical degree from Cornell University Medical College. He completed his clinical training in internal medicine at Massachusetts General Hospital and his clinical training in infectious diseases at Emory University. He began his career at the CDC in 2006 when he joined as an Epidemic Intelligence Service Officer. His professional interests include improving HIV diagnosis in the clinical setting.