Principled. Practical. Fair.
Tom draws on over 25 years of experience in labour and employment law to help parties find common ground, resolve disputes and move forward.
About Tom
Tom was called to the Ontario Bar in 2001 and spent 25 years at a leading Canadian labour and employment law firm enjoying a highly successful practice before transitioning to a full-time neutral role in January 2026. His practice spanned both the private and public sectors and covered the full range of employment and labour issues affecting employers, unions, and employees in provincially and federally regulated workplaces.
As counsel, Tom was frequently retained on difficult and complex labour and employment matters, developing a reputation for his thoughtful, practical approach and his ability to connect with people. These qualities, combined with his extensive experience, make him exceptionally well-suited to helping parties resolve workplace disputes efficiently and fairly.
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Before becoming a mediator and arbitrator, Tom regularly appeared before arbitrators and administrative tribunals, and represented clients at all levels of court in Ontario. His practice spanned a broad range of industries, including Airlines, Education, Energy, Financial Services, Government and Municipalities, Hospitality and Gaming, Hospitals and Healthcare, Insurance, Manufacturing, Mining, Retail, and Transportation.
Tom has been recognized in The Best Lawyers in Canada from 2021 to 2025 and was “Consistently Recommended” in Employment Law and Labour Relations in the Canadian Legal Lexpert Directory from 2019 to 2025.
Tom is a graduate of York University and Western University’s Faculty of Law. Beyond his professional life, he is passionate about children’s mental health and has served as a volunteer Board Director with Strides Toronto (2016–2025) and Youthdale Treatment Centres (2018–2024).
Services
Rights Mediation and Arbitration
Provide full range of mediation, arbitration and med-arb services for all rights-based grievances arising in a unionized work environment including, but not limited to collective agreement interpretation and administration, human rights, disability and accommodation, discipline and dismissal.
Interest Arbitration and Collective Bargaining
Assist parties engaged in collective bargaining with resolving outstanding items in dispute and concluding a Collective Agreement. Provide interest-based mediation and arbitration of all collective bargaining disputes. Experienced in private and public sector collective bargaining.
Wrongful Dismissal and Employment Law
Provide full range of mediation services for parties in a non-unionized workplace setting, contemplating or engaged in litigation, including but not limited to wrongful dismissal, executive and variable compensation, human rights, harassment and discrimination, and restrictive covenant issues.
Availability
Tom’s availability to conduct arbitrations can be found on arbdates.com. His availability for mediations can be found on mediatordates.com.
To book a date, request a fee schedule or for any other inquiries, please contact Chrissy at scheduling@moutsatsos.com or Tom directly at tom@moutsatsos.com or (416) 669-7293.
If you would like to schedule an evening or weekend mediation or arbitration hearing, please contact Tom’s office for availability.