Hoke was born in 1927 in Warnsdorf in northern Bohemia and came to Austria in 1945 with his parents. After graduating from the Klagenfurt Gymnasium, studied at the Vienna Academy of Fine Arts under Robin C. Andersen. Early recognition by public procurement.
Particularly famous were his 1956 frescoes in Klagenfurt station, which met because of their (too) modern style on violent reaction of the conservative circles in the country.
In 1962 Hoke settled in Schloss Saager, south of Klagenfurt, where a center for creative and visual art in all its forms is gradually emerging. In the 60s and 70s, he devoted himself intensively to painting, especially the representation of the landscape and the woman’s body.
From 1974 until retirement 1995 Professor of Artistic Design at Graz University of Technology. In the 80s, several times one of the course instructors at the International Summer Academy of Fine Arts in Salzburg. In addition, managing several projects in the field of artistic design of public buildings. Numerous exhibitions in Germany and abroad – on the occasion of his 80th birthday the great retrospective in the Museum of Modern Art in Carinthia.
Giselbert Hoke died on 18 April 2015 in Klagenfurt.