Commodore Dr Sajid Mahmood Shahzad SI(M) joined Pakistan Navy in 1981 and was commission in 1985 as operation Branch officer. He specialized in Gunnery Branch from PNS BAHADUR, Karachi. He is a graduate of Command and staff College Quetta, and did his War Course and M Phil from National Defence University, Islamabad. In addition, he has also earned a degree of PhD in International Relations from Punjab University.