(born 12 July 1939 in Koblach, Austria) is a Roman Catholic bishop who headed the Territorial Prelature of Xingu from 1981 until 2015.

[3] The prelature encompasses an area the size of Germany; it has 600 Catholic communities served by eighteen priests.

[3] In 1992, when Archbishop Georg Eder of Salzburg cancelled his scheduled speech at the university there, he spoke to an overflow crowd instead at Vienna City Hall at the invitation of the Mayor, Helmut Zilk.

[3] On 14 April 2014, he met with Pope Francis and provided him with information on Amazonia to his work on the ecology-themed encyclical Laudato si' (2015).

[8][9] On 8 March 2018, Pope Francis appointed him to the 15-person council responsible for planning the Synod of Bishops for the Pan-Amazon region.