Major General (AF) Olcay YILMAZ was born in Trabzon on 05 June 1969. He completed primary and secondary education in Sinop and graduated from Gölbaşı High School in 1986. He graduated from Turkish Military Academy in 1990 and joined the Air Force with the rank of Second Lieutenant.
Following his class training at the Air Technical Schools Command in 1991, he served as the Platoon and Company Commander at the 7th Main Jet Base Command. At the Command of the 3rd Air Supply Maintenance Centre, he performed his duty as Engineering Maintenance Company Commander between 1996 and 2002. He served as the Company Commander of Engineering Maintenance at the 3rd Air Supply Maintenance Centre Command between 1996 and 2002. Olcay YILMAZ was then appointed as the 3rd Air Engineering Construction Battalion Command and served as the Supervisor of the Operational Plan, Project and Training between 2002 and 2003.
He graduated from the Air War College in 2005, and he served as Operation and Plan Officer in Air Force Command, Directorate of General Secretariat Coordination Branch between 2005 and 2008; as Plan Officer at the Air Force Housing Directorate, Directorate of Employment, Plan Branch Directorate between 2008 and 2010; as the Plan Branch Office Supervisor between 2010 and 2013. He then served as 3rd Air Engineering Construction Battalion Commander between 2013 and 2015 and as the Real Estate Branch Supervisor and Regional President at the Ministry of National Defence, Eskişehir Construction and Real Estate Regional Directorate between 2015 and 2016.
Promoted to the rank of Brigadier General by the Supreme Military Council in 2016, Olcay YILMAZ served as Commander of the Air War College from 2016 to 2019. He was promoted to rank of Major General by the Supreme Military Council in 2019 and appointed as Vice Rector of the Turkish National Defence University.
Major General Olcay YILMAZ is married to Mrs. Nihan YILMAZ and has one daughter and one son. He is fluent in English.