| From | To | Place i | Current name, country i | Church / institution | Position |
|---|---|---|---|---|---|
| 1944 | 1945 | Eger, Kingdom of Hungary | Hungary | high school teacher | |
| 1945 | 1948 | Budapest, Hungary | Szent Imre Gimnázium | high school teacher |
| From | To | Place | Current name, country | Church / institution | Position |
|---|---|---|---|---|---|
| 1948 | 1949 | Róma, Italy | Pontificio Collegio Urbano de Propaganda Fide | substitute teacher and music studies at the Conservatorio Santa Cecilia | |
| 1949 | 1951 | Spring Bank, WI, USA | Our Lady of Spring Bank Abbey | choir director | |
| 1951 | 1952 | Milwaukee, WI, USA | Milwaukee Conservatory | piano studies | |
| 1952 | 1953 | Buffalo, NY, USA | university professor | ||
| 1953 | 1956 | Fort Worth, TX, USA | university professor | ||
| 1956 | 1959 | Dallas, TX, USA | Cistercian Abbey Our Lady of Dallas | university professor | |
| 1959 | 1960 | San Diego, CA, USA | university and seminar instructor | ||
| 1960 | 1999 | Dallas, TX, USA | Cistercian Abbey Our Lady of Dallas |