Donald L. Granatstein

Donald L. Granatstein, K.C., LL.M.

Donald L. Granatstein is a mediator and arbitrator, with over 40 years of experience in personal injury, sexual assault, medical malpractice, business law, real estate, estates, municipal law, and professional negligence cases.  

With his vast experience, keen analytical skills, calm demeanor and persistence, Don is an effective mediator and arbitrator.

Don is Editor–in–Chief of the Ontario Municipal Tribunal Reports, a Consulting Editor for Carswell, a Chair on the Toronto Committee of Adjustment, and an investigator with ADR Chambers Banking Ombuds Office. 

Don earned his law degree from the University of Toronto and his Master’s degree in Business Law from Osgoode Hall Law School. He has also attended courses in ADR at the Harvard Law School, the University of Toronto, the Law Society of Upper Canada, and the University of Windsor, Faculty of Law. 

He is pursuing additional courses in arbitration through the ADR Institute of Canada. 

Don is a Life Member of the Law Society of Ontario and the Toronto Lawyers Association and a member of the Alternative Dispute Resolution Institute of Ontario.

“Don’s experience and expertise is impressive and quite self-evident. He brings all that and more to his work as a mediator. He is understanding to the clients, but gets to the important issues between the parties. I have mediated several times with Don, and every time he has immediately zeroed in on the key pressure points in the case. I appreciate Don’s wisdom and insight and will use him again.”
Amani Oakley, Oakley Legal

Don Granatstein’s personal website can be found at

Skip to content