Mark is the Chair of the firm's National Corporate Governance and Securities Litigation Group and Co-Chair of the firm’s International Commercial Arbitration Group. Mark has a business-focussed civil and securities litigation, appellate and international commercial arbitration practice. His practice covers a wide variety of issues in corporate and commercial law including mergers and acquisitions litigation, director and officer liability, corporate governance, oppression, libel and slander, product liability, mining litigation and class actions. He has appeared before the Supreme Court of Canada, the Ontario, Alberta, British Columbia and Yukon Courts of Appeal, the superior trial courts of numerous provinces and the Ontario and British Columbia Securities Commissions. Mark completed two appellate judicial clerkships, the first with the late Chief Justice E.D. Bayda of the Saskatchewan Court of Appeal in 1986 and the second with the late Justice John Sopinka of the Supreme Court of Canada in 1989. He completed the B.C.L. degree at Oxford University in 1989, between his clerking experiences. Mark has had a number of legal publications including a book co-authored with the late Justice Sopinka entitled The Conduct of an Appeal, Third Edition (Lexis/Nexis 2012). Mark maintains a blog on recent developments in Canadian appellate law and practice at Conductofanappeal.com.