Born on August 31, 1966. Graduated from Hacettepe University Faculty of Medicine in 1989. He was trained otolaryngology specialization between 1989-1993 in Hacettepe University Faculty of Medicine Department of Otolaryngology. He has worked in Ankara Başkent University Faculty of Medicine Department of Otolaryngology as Assistant Professor between 1995-1999. In He was granted the title of Associate Professor in November 2000 and was granted the title of Professor of Otolaryngology in March 2017.

His special fields of interest are; Aesthetic and functional nasal surgery, aesthetic surgery of the face, endoscopic sinus surgery, sinus surgeries performed with balloon (balloon sinuplasty), computer assisted sinus surgery – surgical navigation, treatment of snoring and sleep apnea and reconstructive surgery of head and neck (repairing tissue and function losses).

Prof. Dr. Teoman Dal has many presentations in national and international congresses and published book chapters and numerous scientific papers published in national and international journals