Prof. Dr. Çeliktaş was born in Adana. After graduating from Sabancı Textile Vocational High School, he completed his studies at Çukurova University Faculty of Medicine and completed his specialty training in Orthopedics and Traumatology. He completed his mandatory service in Diyarbakır. Since 2010, he has been working at Özel Ortopedia Hospital and has published scientific papers.

In 2012, he received the Orthopedics Certification from TOTBİD, and in 2014, he was awarded the titles of associate professor and FEBOT. In 2019, he became a professor at İstinye University. He conducted research abroad on spinal surgery with an AO Spine scholarship.

He held active positions in associations such as TOTBİD, AOSpine, Eurospine, TOD, TOTEK, and Turkish ASAMİ. At Turkish ASAMİ, he served as a board member, secretary general, and, starting in 2025, president.

Scoliosis, kyphosis, aging spine, limb lengthening, leg deformities, and non-union fractures are areas of special interest.