Dr. Özkar graduated from Faculty of Chemical Engineering, Technical University of Istanbul in 1972, worked for two years in industry, received Ph.D. in inorganic chemistry at Technical University of Munich in 1976 before joining Middle East Technical University. He spent one year at Max Planck Institute in Mülheim as Scholar of Alexander von Humboldt-Foundation in 1986, two years at University of Toronto as visiting professor in 1988-1990, and a total of 5 years at Colorado State University between 2000 and 2019. He was awarded Science Prize by the Scientific and Technological Research Council of Turkey in 1996 and has been a permanent member of Turkish Academy of Sciences since 1996. His research interests involve the synthesis and catalytic use of transition metal nanoparticles. He has published more than 300 research articles in SCI(E).