Dr. Onal is founder physician of Baskent University Adana Dr Turgut Noyan Research and Treatment Center, Department of Radiation Oncology, and he is serving as a Professor at the same institute. His main areas of interest are prostate cancer, breast cancer and gynecological malignancies. He has great experience in prostate cancer treatments especially IMRT and IGRT, gynecological tumor brachytherapy, stereotactic radiotherapy and radiosurgery. He has approximately 100 international and national papers published in different journals. Also he has approximately 200 international and national abstracts presented at different scientific meetings. He is peer-reviewing in 40 journals. He is giving lectures about new radiotherapy facilities in different course programs conducted by Turkish Society for Radiation Oncology.