After completing compulsory military service in the Austrian Armed Forces in the Sanitätsstruppenschule at Vienna, he began his medical studies at the University of Innsbruck in 1967, where he graduated in 1975 with a doctorate in human medicine.
After several years of professional experience, he gained, in 1983 the, completion of residency training in internal medicine and was senior physician of the intensive care unit at the regional hospital in Bregenz.
[1] Bischof, a member of the ÖAAB until 1992, and since then, the Austrian People's Party (ÖVP), was, in 1993 for the first time, in the Vorarlberg state government appointed as the Minister for Social Affairs, Health, hospitals and culture.
In September 2006, Bischof suffered a severe cerebral haemorrhage, which eventually led him to resign from his political offices on 13 December 2006.
[2] His successor as a Landesstaltthalter was future governor of Vorarlberg federal state Markus Wallner.