In 1987, Chrostowski received appointment at the Academy of Catholic Theology. Nine years later, in 1996, he obtained habiliation in Biblical studies. In 1998, Chrostowski joined the Theological College in Warsaw as an associate professor and Chair of Old Testament exegesis. At the same time, from 1999 till 2002, he served as the Vice-Rector of the Cardinal Stefan Wyszyński University. In 2003, he was promoted to full proffesorship.
