Lt. General Rizwan was commissioned in the Frontier Force Regiment in September 1982 and is a graduate of the Command and Staff College, Quetta, National Defense University and the Army War College, USA.
He has commanded an Infantry Brigade and an Infantry Div in FATA (Wana - Southern Waziristan) as well as served as DG Rangers in Sindh where he led the Karachi Ops.
However he was replaced as DG Rangers at a very crucial juncture when a joint operation by police and Rangers against terrorists and criminal elements in Karachi had been in its full swing. He's also known for remaining neutral and apolitical.
He was appointed as the DG ISI on 22nd September 2014, w..e.f., 8th October 2014.