Stephen A. Thiele

Stephen A. Thiele


Stephen A. Thiele
Contact Information

Stephen A. Thiele


T 416.865.6651

F 416.865.6636



Osgoode Hall Law School, LL.B. 1992
York University, B.A. (Honours, Political Science)
Bar Admission

Ontario, 1992
About Gardiner Roberts LLP

For over 100 years, Gardiner Roberts has combined the benefits of a full-service law firm with the dexterity of a mid-sized one. Our focused, cross-disciplinary, one-team approach and commitment to understand your business joins our relevant expertise, immediacy and dedication to providing client-centric, hands-on service. 100% Canadian and fully independent, we offer a level of overall efficiency and cost-effectiveness that larger firms can't touch. Resisting "cookie-cutter" law, Gardiner Roberts has built its name - one rewarding client relationship at a time.

Executive Summary

Stephen Thiele is the firm’s Director of Legal Research, working closely with the Litigation and Dispute Resolution Group lawyers to provide advice, value added analysis and opinions on a wide range of litigation matters.

Stephen also develops strategies and legal arguments for use on motions, at trials and on appeals and is frequently tasked with preparing the written arguments used by the firm’s Litigation and Dispute Resolution Group lawyers.

Stephen’s work also branches out beyond supporting Gardiner Roberts legal teams, being engaged by a number of private practicing lawyers and corporate counsel for institutional clients on an outsource basis to review and analyze legal issues affecting the clients of those lawyers or their institutions, adding to the breadth of his experience.

Stephen is an author and co-author of many legal articles that cover and discuss topics related to legal research as well as others related to current high profile legal issues, including those related to the law of defamation, political law and sports law.

Stephen was the recipient of the Toronto Lawyers Association’s 2017 Honsberger Award in recognition of his accomplishments and ongoing contributions to the legal community and the community at large.

Stephen is currently a Trustee for the Law Foundation of Ontario. The Law Foundation of Ontario is the sole foundation in Ontario with the mandate of improving access to justice.


Representative Work
  • Currently co-counsel in municipal conflict of interest case against former Mayor and councillor of the City of Toronto
  • Co-counsel in successful defence of defamation against now former Mayor of the City of Toronto
  • Co-counsel in contested election case that was eventually determined by the Supreme Court of Canada)
Articles and Presentations

My Blog
Board Memberships
  • Member of The Canadian Abridgement Editorial Advisory Board (Canadian Association of Law Libraries)
  • 2017 Honsberger Award from the Toronto Lawyers Association
Professional Involvement
  • Member, Canadian Bar Association
  • Member, Ontario Bar Association
  • Member, Legal Research Network
Community Involvement
  • Elected Representative, Ward 6, Parent Involvement Advisory Committee (Toronto District School Board)
  • Member, Rotary Club of Toronto West
  • President, The Toronto Party for a Better City
  • Director, Etobicoke Centre Federal Liberal Association
  • Coach, Royal York Baseball League
  • Coach and co-convenor, Humber Valley Hockey Association
Beyond the Office

Outside the office, Stephen enjoys playing ice hockey with some long-time friends from high school and golfing with his family. Stephen also enjoys collecting sports memorabilia and learning about Canadian history and ancient Roman coins.