John D. Sanidas, M.D., F.A.C.S., is a retired general and trauma surgeon. He spent nearly four decades practicing surgery. This is a small culmination of what he has learned throughout his career.John D. Sanidas, M.D., F.A.C.S., is a retired general and trauma surgeon. He spent nearly four decades practicing surgery. This is a small culmination of what he has learned throughout his career.