author : Sanjay GuptaSanjay Gupta, MD was a neurosurgeon at the University of Tennessee's Semmes-Murphy Clinic, and before that, the University of Michigan Medical Center. He became partner of the Great Lakes Brain and Spine Center Institute in 2000. In 1997 he was chosen as a White House fellow, one of only 15 fellows appointed, and served as special advisor to first lady Hillary Clinton.