About Marie-Hélène Mayer

Lawyers repeatedly retain Marie-Hélène as an effective and neutral workplace investigator.



  • For over a decade, Marie-Hélène has carried out third-party investigations for large public-sector organizations such as hospitals, school boards, colleges and universities in both French and English

  • Drawing from her in-house experience at a large financial institution where she advised nationwide client groups on regulatory and human resource compliance issues, Marie-Hélène provides practicable training to HR professionals in French and English on a wide range of employment and related regulatory matters

  • Marie-Hélène conducts constructive workplace audits having assisted clients in her role as employment lawyer/litigator in a broad range of sectors including engineering, financial services, food, law and marketing


  • Bachelor of Common Laws and Juris Doctor from the University of Windsor in partnership with the University of Detroit Mercy School of Law as a part of their J.D. /LL.B Program
  • Bachelor of Arts, Honours Liberal Arts and Philosophy from Concordia University


  • AJEFO – Association des juristes d’expression française de l’Ontario

  • Employment and Labour Law Section of the Ontario Bar Association (a branch of the Canadian Bar Association)
  • Women’s Law Association of Ontario
  • Law Society of Ontario

Community Involvement:

  • Advisory board member of Until The Last Child, a children’s rights organization