He completed his residency in psychiatry at Massachusetts General Hospital in Boston , from 1992 - 1994 and was chief resident of the MGH inpatient psychiatry unit in 1995 .
He completed his residency in psychiatry at Massachusetts General Hospital ( MGH ) in Boston , from 1992 until 1994 . 
 He was then chief resident of the MGH inpatient psychiatry unit in 1995 .