Kirk is a partner at Koskie Minsky LLP and is head of the firm's class action group. His practice focuses on class proceedings. He has been recognized by Lexpert as a leading Canadian practitioner in the field of class action litigation. Mr. Baert has appeared in courts across the country, including the Ontario Court of Appeal, Quebec Court of Appeal, Newfoundland Court of Appeal and the Supreme Court of Canada, on matters dealing with all aspects of class action litigation.

Mr. Baert was counsel for the plaintiff in Cloud v. Canada, the first Indian residential schools class action certified in Canada. A $4 billion pan-Canadian settlement was reached in the case in 2007. Kirk was designated as lead counsel in Canada to handle the 9 settlement approval hearings across the country. The settlement was ultimately approved by all 9 provincial and territorial courts involved. The settlement is proceeding and over 90,000 class members have made claims.

Kirk is counsel for the plaintiffs in Anderson v. Canada, in which it is alleged that Canada failed to comply with its constitutional and fiduciary duties to Metis and Inuit people in Newfoundland and Labrador arising from the operation of 5 residential schools in that province after 1949.

Kirk was also counsel for the plaintiff in Pearson v. Inco Ltd., the first common law environmental class action to be certified in Canada.

Mr. Baert was counsel for the plaintiff in Markson v. MBNA Canada Bank, which was certified by the Ontario Court of Appeal. The court’s decision expanded the situations where an aggregate assessment of damages may be used in a class action. The action settled in 2012 with class members receiving refunds of $8 million.

Kirk was Canadian co-counsel for the Ontario Public Service Employees Union Pension Trust Fund, the lead plaintiff in Re Nortel Networks Corp Securities Litigation. A worldwide settlement was reached in the case in late 2006 totalling over $2.4 billion. Mr. Baert is co-counsel (with Siskinds LLP) in Labourers Pension Fund v. Sino-Forest Corporation, Ernest & Young LLP et al. The firm won a contested carriage motion in the case. In 2012, Kirk helped successfully negotiate a $117 million settlement with Ernst & Young LLP, one of the largest auditor settlements in class action history.

Kirk is also counsel for the plaintiffs in Trustees of the Musicians' Pension Fund of Canada v. Kinross Gold Corporation et al. and in Trustees of the Millwright Regional Council of Ontario Pension Trust Fund v. Celestica Inc. et al., both of which seek damages of over $1 billion for violations of various securities laws.

Kirk is counsel for the plaintiffs in Dolmage v. Ontario, Clarke v. Ontario and Bechard v. Ontario. Each of these cases seeks to hold the provincial government liable for abuses at the government-run institutions for the cognitively and developmentally challenged. These cases were all settled for more than $70 million in 2013. He is also counsel for the plaintiff in Seed v. Ontario, a case which alleges that students at a government run school for the blind were abused.

Mr. Baert is counsel for the plaintiffs in Taylor v. Canada, which broke new ground in a 2012 Court of Appeal decision on the issue of when federal government regulators can be liable for injuries sustained by users of a defective product that the government failed to prevent from coming on the market.

For ten years, Kirk taught a course in class actions with Professor Garry Watson at Osgoode Hall Law School. He has been on the Planning Committee for the Osgoode Hall Law School National Symposium on Class Actions held annually since 2001. Kirk is also a regular speaker and author of papers for The Canadian Institute, CBA, OBA, LSUC and the Advocates’ Society on class actions, complex litigation and other matters.

Mr. Baert was an Instructor in the Ontario Bar Admission Course in both the Advocacy and Civil Procedure sections from 1995 to 2001. Kirk has also been a guest Instructor in the Osgoode Hall Intensive Trial Advocacy Workshop.

Kirk is a former editor of Carswell's Practice Cases. He is currently a contributing editor of Class Action, a quarterly publication issued by Federated Press. Kirk is also a member of the CBA National Task Force on Class Actions. Kirk is currently Chair of the OBA Section on Class Actions. He sits on the Board of Directors for Pro Bono Law Ontario. His column, "Class Acts", appears in The Canadian Lawyers once a month.

Kirk is a Fellow of the Litigation Counsel of America. The Litigation Counsel of America is a trial lawyer honorary society composed of less than one-half of one percent of American lawyers. He has also been recognized by Lexpert, Best Lawyers in Canada, Benchmark Canada, Lexpert/American Lawyer Leading 500 Lawyers in Canada as a leading lawyer in class action litigation.