Professor, Institute of Islamic Studies, McGill University, January 1992 to 2010.
Visiting Professor in Indonesia under the auspices of McGill Indonesia IAIN Development Project, January-March, 1993; and September-December 1996.
Associate Professor with tenure, Appointed to the Chair in Urdu Language and Culture, Institute of Islamic Studies, McGill University, 1986-1991.
Associate Professor with tenure, Department of South and Southwest Asian Studies, University Minnesota, 1980-1986.
Assistant Professor, Department of South Asian Studies, University of Minnesota, 1977-1980.
Assistant Professor, Institute of Islamic Studies, McGill University, 1974-77.
Lecturer, Institute of Islamic Studies, McGill University, 1972-74.
Lecturer, Islamic College for Women, Lahore, Pakistan, 1962-66.