[4] Hassanudin was educated at the Indonesia Open University in 1993, where he graduated with a bachelor's degree in public administration science.

[6] He also attend Indonesian Army Command and General Staff College and completed in 2003 with top graduate honours degree.

[8] In 2017, Hassanudin served as Chief Inspector of Budget Program Planning at the Inspectorate General of the Indonesian Army before he appointed as Vice Assistant for Planning to the Chief of Staff of the Indonesian Army and promoted to the rank Brigadier-General in the same year.

[10] In 2019, he appointed as Assistant for Planning and Budget of the Chief of Staff of the Indonesian Army and promoted to the rank Major-General in the same year.

[4][15] Hassanudin has been elected by president Joko Widodo as Acting Governor of North Sumatra succeeding Edy Rahmayadi on August 31, 2023,[2] and he appointed and took an oath on September 5, 2023, by Minister of Home Affairs, Tito Karnavian.