With over 30 years of experience, Greg has litigated significant cases in a broad range of fields that have included corporate and commercial matters, complex contract issues, municipal law, government liability, constitutional law, tort claims, professional liability, fiduciary duties, property disputes, joint ventures, bad faith claims, policing, competition, abuse of public office, tax, injunctions, judicial review, and other claims and remedies.
He has appeared before the Supreme Court of Canada, the Federal Court of Canada, the Court of Appeal for Ontario, the Superior Court of Justice and the Tax Court of Canada, as well as a variety of regulatory tribunals. He regularly acts as counsel in arbitrations and mediations and he has also been appointed as an arbitrator to decide disputes between parties.
Greg has been rated at the highest level by Martindale-Hubbell ("AV-Preeminent") and is designated as a leading practitioner in corporate and commercial litigation, and administrative and public law (Lexpert and The Best Lawyers in Canada). In 2008 he was inducted as a Fellow of the American College of Trial Lawyers.
Within WeirFoulds, Greg has been the managing partner of the firm and head of its litigation practice. He has also chaired several other firm committees.
Outside the firm, Greg is actively engaged in the profession and broader community. He has been a director of The Advocates' Society and continues as chair of its Pro Bono Advisory Council, receiving the Pro Bono Volunteer Award in 2011. He is an executive member and past chair of the OBA's Constitutional Law Section. Greg is past chair of the Queen's University Law School Dean's Council and in 2014 he received the H.R.S. Ryan Law Alumni Award of Distinction.
Greg has been an award-winning teacher of trial advocacy at Queen's and teaches and speaks in a variety of other venues.
Greg is a contributing editor of Corporate Litigation(Federated Press) and has published many professional papers, including his doctoral thesis in the Duke Law Journal.