Born in 1984 in Kırklareli, Onur Birol graduated with honors from the Department of Geological Engineering at Selçuk University in 2008. Starting his career as a Quality Control Engineer on the Ankara-Konya High-Speed Train Project, one of Turkey's largest railway projects, Onur Birol continued his journey in 2010 at Doğan Holding, Gümüştaş Mining Inc., Bolkar Dağ Gold-Silver production facility, where he rose to the position of Production Chief Engineer.
In 2014, he began a new career at Zorlu Holding, Meta Nickel Cobalt Inc., Gördes operation, as a Production Engineer, and he took on various roles as a manager, director, and coordinator within the same company. In 2015, he completed his master's degree in Mining Engineering at Niğde University, followed by a master's degree in Engineering Management at Celal Bayar University in 2018.
In 2023, Onur Birol was promoted to the position of Deputy General Manager of Production at Meta Nickel Cobalt Inc., Gördes operation, and he was appointed as the Secretary of the Board of Directors of Meta Nickel Cobalt Inc. the same year. Continuing his academic life at Anadolu University, he graduated from the Faculty of Business Administration in 2023.
Onur Birol is married and has one child.