The Professors’ Association of Saint Paul University was founded in 1991. It became a union in 2008, representing all full time professors and professional librarians. Thus far, it has negotiated five collective agreements with the Employer (in 2009, 2012, 2015, 2018, and 2021). The Association is a member of the Canadian Association of University Teachers (CAUT) and the Ontario Confederation of University Faculty Associations (OCUFA).