Top 25 Diversity Leaders
Howard Koh is the assistant secretary for health at HHS. In this role, Koh, 58, oversees the Office of Public Health and Science, the Commissioned Corps of the U.S. Public Health Service and the Office of the Surgeon General. He is also senior public health adviser to HHS Secretary Kathleen Sebelius. Koh was previously a professor at the Harvard School of Public Health, where he worked on cancer disparities, tobacco control and emergency preparedness. From 1997 to 2003 he was commissioner of public health for Massachusetts. He is board-certified in internal medicine, hematology, medical oncology and dermatology.