Önsoy graduated from the İstanbul State School of Higher Learning in Applied Fine Arts in 1980. Between 1990 and 1992, he relocated his studio to New York. He moved to İstanbul in 1993. Önsoy opened solo exhibitions across major cities of Turkey and participated in group shows. He continues to work out of his studio in İstanbul. (For Önsoy’s solo, group and international exhibitions, see p. 193)
Solo Exhibitions:
- 1980 İstanbul Hobi Art Gallery, İzmir
- 1982 Leonardo Art Gallery, İzmir
- 1985 Urart Art Gallery, Ankara
- 1986 Urart Art Gallery, İstanbul
- 1989 Galeri Nev, The 2nd International İstanbul Biennial, İstanbul
- 1990 Galeri Nev, Ankara
- 1991 Galeri Nev, İstanbul
- 1997 Galeri Nev, İstanbul
Group Shows:
- 1979 Sanat’78, AKM, İstanbul
- 1981 Contemporary Artists, İstanbul
- 1981 Akbank Art Gallery Abdi İpekçi Painting Competition Exhibition, İstanbul
- 1981 DYO Exhibition, AKM, İstanbul
- 1983 Contemporary Artists, İstanbul
- 1985 Contemporary Artists, İstanbul
- 1985 “Öncü Türk Sanatından Bir Kesit,” Yıldız University, İstanbul
- 1985 “Yeni Eğilimler”, MSU, İstanbul
- 1987 DYO Exhibition, AKM, İstanbul
- 1987 “Türk Resminde Modernleşme Süreci”, Galeri Baraz, AKM, İstanbul
- 1987 “Güncel Boyutlarıyla Resim Sanatımız”, Galeri Baraz, AKM, İstanbul
- 1988 “From Contemporary Turkish Painting I”, Galeri Baraz, Yıldız University, İstanbul
- 1988 Urart Art Gallery, İstanbul
- 1989 Grand Exhibition, “Contemporary Turkish Artists”, Galeri Baraz, AKM Ankara
- 1990 Stockholm Art Fair, Galeri Nev, Stockholm
- 1990 The 44th Venice Biennial, Venice, Italy
- 1990 Grand Exhibition II- “From Contemporary Turkish Painting”, İstanbul-Ankara
- 1990 “Contemporary Turkish Art”, Küsav-Sotheby, İstanbul
- 1990 “15th Year in Activities”, Galeri Baraz, AKM, İstanbul
- 1991 “From Contemporary Turkish Art”, Galeri Baraz, Yıldız University, İstanbul
- 1992 The 2nd İstanbul Art Fair, TÜYAP, İstanbul
- 1992 New York-İstanbul, Galeri Baraz, AKM, İstanbul
- 1993 The 3rd İstanbul Art Fair, TÜYAP, İstanbul
- 1995 “Painting and Conceptual Tendencies in Contemporary Turkish Art”, Koç University, İstanbul
- 1995 V. İstanbul Art Fair, TÜYAP, İstanbul
- 1995 “Painting and Conceptual Tendencies in Contemporary Turkish Art II”, Koç University, İstanbul
- 1996 “Masters and Young Artists in Turkish Painting”,Austrian Culture Office, İstanbul
- 1997 “Aesthetic Dynamics in Contemporary Turkish Painting”, Koç University, İstanbul
- 1998 “Yaşayan Türk Plastik Sanatlar Sergisi”, Center for Contemporary Arts, Ankara
- 1998 “Abstract Tendencies in Turkish Painting”, Galeri Baraz, AKM, İstanbul
- 2004 “Etraf İnsan”, Galeri Nev, Ankara
International Exhibitions:
- 1990 The International Venice Biennial
- 1995 The International İstanbul Biennial
- 1995 Copenhagen Charlottenborg Exhibition Center, “I am Someone Else”
- 1996 London Sotheby’s, The Turkish Sale
- 2001 The International İstanbul Biennial
- 2002 The International Sao Paulo Biennial