Prior to his incardination, Father Wielebski served at Sacred Heart, Glyndon, 1974-1978 (as an intern); U.S. Penitentiary, Marion, IL, 1978-1981; Holy Trinity Monastery, Pikesville, 1981-1983; Redeemer House Shelter, Baltimore, 1983-1984; St. Bernard, Baltimore, 1984-1985; and St. Dominic, Baltimore, 1985-1988. Following his incardination, Father Wielebski served at the Msgr. Clare O’Dwyer Retreat House, Sparks, 1988-1991; St. Patrick, Cumberland 1991-1996; Sacred Heart, Glyndon, 1996-1999; and Resurrection of Our Lord, Laurel, 1999-2009.