Mary-Jean attended Fairview School, Bloomfield Junior High and graduated from Bloomfield Senior High in 1955. She earned her BA at Dunbarton College of the Holy Cross and her MA at Seton Hall University. She became a Counselor and Assistant Director of Students at Jersey City State. She was then employed at N.J.I.T. as a Counselor and later as Associate Dean of Students.
For many years, Mary-Jean served on the Board of Trustees of The Adult School of Montclair. During that time she served on the Curriculum Committee and was appointed to a term of Chairman. She was then elected President of the Board of Trustees for a term. In addition to serving on the Board of the B.E.F., Mary-Jean has been a member of the New York Philharmonic Volunteer Council for many years.