Marie has been a professor at Centennial College since 1982 where she has enjoyed teaching research, psychology, sociology, and biology. She has also served the College as a coordinator, acting Chair of the General Arts and Science Program, worked on many committees and as a researcher.

Marie earned a Doctorate of Education in Applied Psychology at the Ontario Institute of Studies in Education, University of Toronto in 1996. She earned her four-year Bachelor of Education Degree at the University of Saskatchewan in 1963 and, in 1982, she achieved a Bachelor of Arts Degree with a major in psychology at York University.

After earning a certificate in group psychotherapy from Parents for Youth, Marie was a group leader for parents of conduct disordered children for 4 years.

She and her husband have travelled extensively. When in Toronto, they enjoy time with their three children and grandchildren.