Guidon helped found the Montreal Counselling and Rehabilitation Centre and was its director from 1947 to 1977. She also founded the Quebec Psycho-Education Centre which she directed from 1953 to 1969 while teaching psychology at the Université de Montréal. After obtaining her doctorate in psychology in 1969 from the Université de Montréal, Jeannine Guidon and presided over the creation of the university's School of Psychoeducation in 1971. She was its director from 1972 to 1976. Guindon, Gendreau, and Euchariste Paulhus were the three main founders of
psychoeducation, a discipline serving young people in difficulty. Guindon particularly chose to train caregivers for people who have
intellectual or other disabilities, children with emotional problems, delinquent persons, or those who were socially maladjusted. In 1976, Guindon co-founded the Mariebourg Center and the Montreal Training and Rehabilitation Institute, which she directed until 1984. Guindon continued to work as a professor of psychology at the Université de Montréal until 1984 and was a member of the university's board of directors from 1977 to 1985. In 1992, the training institute became the Institut de formation humaine intégrale de Montréal ( and received people from around the world. ==Recognition and honours==