Gıyasettin DEMİRHAN is Professor of Physical Education and Sport Sciences at Hacettepe University. He is Dean of Faculty of Sports Sciences and Head of Physical Education and Sport Teacher Education Department. Also, he is a former president of Turkish Sport Sciences Association. He is an active member of some international scientific association like AIESEP, FIEP, ECSS, ISHPES. Currintly his research interests are critical thinking, instructional technology in PE, relationship between physical activity and academic performance and cognitive process, risk perception in outdoor‐adventure sports. He published 24 articles in international refereed journals and 45 articles in national referred journals. Also, he has two books and 12 book chapters. He presented more than 100 papers in international and national scientific congresses and completed 12 international and national scientific projects. He was as keynote and invited speaker at many national and international scientific meetings. Also, he organized many international and national scientific meetings. He has 150 citations in scientific journals which are indexed in SSCI and SCI and 400 citations in Google Scholar. He is currently included 4 European Union Projects.