Thereafter, Levesque returned to Niagara, resumed teaching and was named dean of the College of Arts and Sciences and director of the university's graduate division in 1978. He remained in the post until 1986. From 1986 to 1990, he served as the university president, superior of the Vincentian community, and teacher of Religion (Morality, Social Justice) at St. Joseph's Seminary (Princeton, New Jersey). In 1990 Father Levesque was elected Provincial Superior of the Eastern American Province of the Congregation of the Mission and Chair of the Board of Trustees of Niagara University and St. John’s University. He stepped down from the position in June 1999 after the maximum nine-year term and subsequently assumed the presidency of Niagara University in 2000.[5]
After leaving Niagara in 2013, Levesque was appointed Interim President of St. John's University, an appointment which began on August 1, 2013, upon the retirement of Donald J. Harrington, C.M.[6]
Levesque died in Philadelphia on June 23, 2024, at the age of 85.[7][8]