Sadun Ersin was born in Istanbul in 1930 and graduated from the İstanbul Fine Arts Academy in 1950. Between years 1953 and 1954, he had his career education on interior architecture, decoration, and theater settings at Rome Faculty of Architecture and at the same time worked with Prof. Perotti at Roma Fine Arts Academy (Scuola del Nudo). In 1955 he started to work as assistant at the Academy; he became the Head of the Department of Decorative Arts in 1963, receiving the title of professor. During the period of his office, he became the Head of the Department of Interior Architecture, founded the Department of Photography, Traditional Handicrafts and Industrial Design, and between 1978 and 1982 he became the Dean of the Faculty of Industrial Arts. After having retired from the Academy in 1983, he worked as the Dean of the Faculty of Fine Arts at İstanbul Yeditepe University, and made contributions to the foundation of the Department of Interior Architecture at Eskişehir Anadolu University and Kadir Has University. Sadun Ersin participated in a number of projects as well as his academic career and at the same time he was ranked in top three at important competitions. He was awarded the First Prize of The General National Assembly of Turkey (GNAT) Block “A” Decoration and Furniture Design Contest launched in 1955 and to the Third Prize of Eczacıbaşı Oran-Vitra Medical Equipment Design Contest in 1970. He carried out the restoration of the ornaments of Beykoz Şerefabad Pavilion in 1953, the interior design of the ornaments of Presidency Umur Yacht in 1956, the restoration of the ornaments of Emirgan Şerifler Waterside Resident in 1981, the interior design of Dearsan 125 Yacht between 1981 and 1986, and the construction of TPAO pavilions with Karabük Iron Steel and Petroleum Office at Izmir International Fair in 1990. Sadun Ersin is also painter and master santoor player. He continues to work on the santoor as well as exhibit his work in personal art galleries.