Since 1984, Mary has taught for Illinois College, University of Illinois Springfield, Benedictine University, The Jung Society of St. Louis, and Jacksonville and Lincoln Correctional Centers. She has covered a variety of coursework; including psychology, sociology, parenting, and communications. She has been the instructor for the Prison Fathers Program, which is a program for incarcerated individuals on parenting, since 2003. In 2016 she became the Group Support specialist for the Dean Ornish Lifestyle Medicine Program through Prairie Heart Institute for cardiac patients. Mary integrates film, poetry, art, speakers, and other media to better illustrate and expand on course concepts. 

'“Thoughtful, funny, and insightful. Her enthusiasm and understanding made this a wonderful class" - Benedictine student

"The lectures were interesting and inviting to participate in ... She has so much foundation in the field. She is a role model for psych majors" -Benedictine student

"This program imparted wisdom and helped me to search my true self not my ego. It helps me think about my kids feelings, too, and that they have a right to grieve." - inmate at Lincoln Correctional Center

"Profoundly effective ... She was very involved and was able to impart within me some much needed wisdom." - inmate at Lincoln Correctional Center