Mark Opashinov

David E. Preszler is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. David E., who practices law in Toronto, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David E. is held by other top lawyers in the same geographic and legal practice area.

Nadia is engaged in the most complex and demanding files across multiple disciplines including commercial disputes, shareholder oppression applications, director and officer liability, estates and trusts litigation, class actions, and professional liability. Nadia is adept at providing cogent and strategic advice that seamlessly aligns with her clients’ business goals. Fluent in English and French, Nadia also represents clients from Quebec. Nadia has deep industry knowledge and extensiv...

Lionel Tupman is a top attorney recognized by Best Lawyers in the practice area(s) of Professional Malpractice Law and Trusts and Estates. Lionel, who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lionel is held by other top lawyers in the same geographic and legal practice area.

Maggie Wente (BA, LLB, MSW) is a partner at Olthuis Kleer Townshend LLP. She is a member of Serpent River First Nation and was born and raised in Toronto. Recently Maggie focuses much of her practice on advocating for equality for Indigenous children and individuals in child welfare systems and the exercise of inherent jurisdiction over child well-being. She does this in litigation and in negotiation about child welfare funding, program delivery and First Nations law-making. Maggie also advis...

David was recently selected by his peers for inclusion in The Best Lawyers in Canada 2017 the in the areas of Insurance Law and Personal Injury Litigation. David was called to the bar in 1985. His legal career has been spent primarily representing property and casualty insurers in all matters relating to these areas of insurance law. David's areas of expertise include all tort claims, special investigation work, commercial general liability work, product liability litigation, coverage opinion...

Jonathan Maier maintains an active labour and employment law practice in Hicks Morley’s Toronto office. He advises employers on a wide range of matters including collective bargaining, grievance arbitration, wrongful dismissal litigation and matters before the Human Rights Tribunal of Ontario. Jonathan advocates for employers who are forced to litigate against trade unions in certification, related employer or unfair labour practice proceedings. He advises on the negotiation and arbitra...

David W. Chodikoff, B.A. (Spec. Hons), M.A., LL.B., is a partner and specializes in civil and criminal tax litigation at Miller Thomson. David was a former counsel and a Crown Prosecutor at the Department of Justice. He has over 100 reported decisions. David has appeared in over 565 cases before the courts. David has been recognized by Canadian, American and European authorities as one of the leading tax controversy leaders in the world. He has edited and contributed to 9 tax books including ...

Christopher Bryden is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Christopher, who practices law in Toronto, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Christopher is held by other top lawyers in the same geographic and legal practice area.

Jeffrey Feiner is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Alternative Dispute Resolution, Professional Malpractice Law and Corporate and Commercial Litigation. Jeffrey, who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Margaret L. Waddell is a founding partner of Waddell Phillips PC. She is a leader of the class action bar, and also practices commercial litigation and provides mediation services. Margaret has acted as counsel in a number of well known class actions such as Cannon v. Funds for Canada Foundation , Currie v. McDonald’s Corporation et al ., and Markson v. MBNA Canada. She acted for the intervenor FAIR in the Green v. CIBC et al. appeals to the Ontario Court of Appeal and Supreme Court. On...