Maryse C. C. Saint-Laurent is on the board of North American Construction Group, Inc. and 6 other companies. In the past she occupied the position of Secretary & Vice President-Legal at TransAlta Corp. and Secretary & Vice President-Legal at TransAlta Renewables, Inc. (a subsidiary of TransAlta Corp.), Senior Legal Counsel-Corporate Secretarial at TC Energy Corp. and Secretary for TC Pipelines LP (a subsidiary of TC Energy Corp.) and Corporate Director at Institute of Corporate Directors.

Maryse C. C. Saint-Laurent received an undergraduate degree and a graduate degree from the University of Alberta and a graduate degree from Osgoode Hall Law School.