Fr. Gross was ordained in February 1962 for the Diocese of New Ulm.
Fr. Gross’ assignment history:
- Associate, St. James, Nassau, 1962
- Associate, St. Mary, New Ulm, with teaching duties at Cathedral High School, New Ulm, 1962-1967
- Pastor of Ss. Cyril & Methodius, Taunton, 1967-1970
- Co-rector of the Cathedral of the Holy Trinity, New Ulm, 1970-1972
- Graduate studies, 1972
- Pastor, St. Joseph, Rosen and St. James, Nassau, 1972-1980
- Co-pastor, St. Mary, New Ulm, 1980-1987
- Parish ministry in Alaska, 1987
- Co-pastor of St. Anastasia, Hutchinson, 1987-1995
- Administrator, St. Boniface, Stewart, 1987-1990
- Sacramental minister, St. Boniface, Stewart, 1991-1995
- Pastor, St. Anthony, Watkins, 1995-2001
Fr. Gross retired from assigned ministry in 2001. He is removed from ministry.