He is a rear admiral in the United States Public Health Service Commissioned Corps and public health administrator who served as the acting Surgeon General of the United States. Weaver succeeded Steven K. Galson in October 2009, in expectation of a holdup by the United States Senate in confirming current Surgeon General Regina Benjamin.[1] Prior to being appointed as Acting Surgeon General, he served as the Deputy Associate Administrator for Primary Health Care in the Health Resources and Services Administration.[2]