1987: Ordained

1987-1988: The Jesuit Community at the Jesuit School of Theology, Berkeley, CA

1988-1989: Boston College High School, Boston, MA

1989-1991: St. Francis Xavier, Weymouth, MA

1991-1992: Unknown

1992-1993: Loyola House, Boston, MA

1993-1998: Gesu, Miami, FL

1998-1999: Sacred Heart, Tampa, FL

1999-2001: Loyola House, Boston, MA

2001-2018: Unknown

Notes: Fr. Michael J. Kossak was one of three Jesuit priests who taught at Boston College High School in the 1970s who were accused of sexual abuse. After one year at Boston College High School, following an investigation by the State Department of Social Services, Fr. Kossak left and went to Loyola House in Boston. Fr. Kossak’s current status as a priest, his whereabouts, and whether he has access to children are unknown.