Born in 1953 and has graduated from the State Academy of Fine Arts. He has worked as a graphic designer and caricaturist in different newspapers and magazines during the same years. He received awards during his education years from different competitions in Turkey and abroad. Three of his works were accepted by Basel Caricaturists Museum. He has done graphic design in various publications as well as illustrations, painting and research work in Germany between 1978-79. In 1983 he has started working in Frankfurter Kunstler Verein and participated in various exhibitions for 16 years.
Since 1997, Karatoprak has been working in Istanbul and Kayseri in Turkey. His works can be found in private collections in Turkey, Switzerland, Germany and the UK.
Some of his paintings are made on wooden boxes, old chests and house doors older than 150 years old. The feeling of "having lived" is inseparable part of his work and shows its strength with every brush stroke.
1986 Private Prize by Simavi Found
1984 Private Prize by İstanbul Municipal
1977 Private Prize by Ministry of the Culture
1977 Second Prize, Skopje 1973 Third Prize, Marostica-Italy