He entered GATA Faculty of Medicine in 1983 and graduated in 1989. After having completed the troop service in Sarikamis 28th Infantry Regiment, he completed his specialty education in Ankara GATA Internal Medicine Clinic and became an internal medicine specialist. He worked as an Internal Medicine Specialist at Isparta Military Hospital, Bosnia and Herzegovina Turkish Brigade, Bursa Military Hospital and fulfilled various administrative duties. In 2012, he was retired and started to work at Nev Anatolian Hospital.
Dr. Harun Yilmaz is married and has two daughters.