Konstantin Reymaier was born in 1967 and studied Music at the University of Music Vienna (MDW) and theology at the University of Vienna. After his graduation he was Organist at Little St. Mary’s Cambridge (1994-1997) and Director of Music at Mansfield College Oxford (1997-2011). 2001 he was appointed visiting professor for organ and improvisation at the University of Music in Graz (KUG).

2005 he entered the seminary of the Archdiocese of Vienna and was ordained priest in 2009. From 2010 to 2022 he was Diocesan Director of Sacred Music supervising the restorations of many important historic instruments as well as the building of new ones. His largest project was the organ at St. Stephens Cathedral which was finished in 2020.

2016 he was appointed cathedral organist at St. Stephens, Vienna. Regularly he is invited to perform in various countries and has made CD-recordings for Priory Records and Deutsche Grammophon.