Mustu, who has studied economics at the Faculty of Economics and Administrative Sciences of the Hacettepe University, started his career at Basak Sigorta in October, 1989. He served as a Regional Manager and as the Regional Coordinator within the organization of Basak Sigorta and Groupama Sigorta as of May, 1998 until November, 2012.

Hakan Mustu, who has served as the Assistant General Manager in charge of Sales at the Groupama Insurance and Pension Companies until January 2017 since November 2012, most recently held office as the Assistant General Manager in charge of Sales and Marketing at Orient Sigorta.

Mustu, who has been appointed to serve as the Assistant General Manager in charge of the Agencies and Brokers Channel within the organization of Gunes Sigorta as of August 01, 2019, has an excellent command of English. Mustu is married and the father of two children.