From 1617 to 1621 he studied in the Collegium Germanicum at the Pontifical Gregorian University in Rome and graduated with a doctorate.

Emperor Ferdinand III appointed him Prince-Bishop of Vienna on 5 May 1639, Pope Urban VIII confirmed it on 5 September 1639.

He was able to complete in 1641 the new building of the Episcopal Palace, begun by Prince-Bishop Anton Wolfradt in 1632 according to the plans of Giovanni Coccapani.

The Prince-Bishop erected the monumental high altar in St. Stephen's Cathedral and concluded a contract with the stonemason and sculptor Johann Jacob Pock from Constance on 1 March 1641.

Emperor Ferdinand III resolved to celebrate the feast of the Immaculata Conceptio on 8 December in his dominions.