[1] Levy worked as a pharmacist in Haiti,[2] before fleeing Duvalierism, arriving in Zaire (now the Democratic Republic of Congo), and teaching for four years in the service of UNESCO.

On April 8, 1982, she was elected president of the Syndicat des travailleurs de l'enseignement du Nord-Ouest québécois (Union of Education Workers of Northwestern Quebec) (STENOQ)[7] and held this position until June 1984.

[9] During her union career, she defended several issues concerning women, such as maternity leave, the right to abortion, child care services, and led a major push for pay equity.

[12] During her mandates, she contributed to the revision of the family policy, the implementation of the Taxibus public transport service, defending community organizations, and supporting cultural development.

[20] Yolette Lévy died December 6, 2018, at the Maison de la source Gabriel, a hospice in Val-d'Or, Quebec, Canada.