Jenna Preston

Peter Mantas leads Fasken’s London and Ottawa litigation teams, the firm’s Procurement group, and co-leads its White Collar Defence and Investigations group. Peter is a litigation partner with over 30 years' experience in complicated, high stakes cases before national and international courts, tribunals and arbitration panels. Clients appreciate Peter’s knowledge, strategic advice, teamwork and tough but reasonable approach. He is also valued for his skill in negotiations, c...

John Siwiec is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Intellectual Property Law. John, who practices law in Ottawa, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John is held by other top lawyers in the same geographic and legal practice area.

Martin Lapner is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence, Personal Injury Litigation and Professional Malpractice Law. Martin, who practices law in Ottawa, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Martin is held by other top lawyers in the same geographic and legal practice area.

Geoffrey first joined Brazeau Seller Law as an Associate in 2017. During Geoffrey’s tenure as a lawyer with Brazeau Seller Law, he has become an important member of our firm and an integral part of our litigation department, developing a broad civil litigation practice that includes construction, corporate, commercial, real estate, bankruptcy and insolvency, sports and insurance litigation. Geoffrey attended Queen’s University, where he received a Bachelor of Arts in Economics and...

Marta Siemiarczuk is a Partner and Head of the Family Law Group of Nelligan Law. Marta is a lawyer and arbitrator and practices in the areas of Family Law and Collaborative Family Law, Estates and Civil Litigation. Marta has acted as a co-instructor at the University of Ottawa, Faculty of Law, for Civil Procedure and the Alternative Dispute Resolution Program. She is a regular guest lecturer at the University of Ottawa in Family Law. Marta is also a regular columnist on various family law top...

Ruba El-Sayegh is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Negligence, Personal Injury Litigation and Professional Malpractice Law. Ruba, who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ruba is held by other top lawyers in the same geographic and legal practice area.

Esther Shainblum is a partner at Carters Professional Corporation, practicing in the areas of charity & not for profit law, privacy law & health law. She has been ranked by Lexpert and Chambers & Partners . From 2005 to 2017, Esther was General Counsel & Chief Privacy Officer for Victorian Order of Nurses for Canada, a national, not-for-profit, charitable home & community care organization, where she provided support to the board of directors, management and staff in a var...

Patrick A. Thompson is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Corporate and Commercial Litigation. Patrick A., who practices law in Ottawa, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick A. is held by other top lawyers in the same geographic and legal practice area.

Paula Clancy is a partner and trademark agent in Gowling WLG's Ottawa office. She is a member of the Intellectual Property Group and her practice focuses on trademarks.Paula has more than 26 years of experience as a corporate/commercial and trademark lawyer, and she is certified by the Law Society of Ontario as a Specialist in IP (Trademarks). Her background in business law and intellectual property law is a valuable asset to her clients.Paula works with in-house counsel as an extension of th...

Charles Hurdon is managing partner of our Canadian practice and sits on our global executive committee. He is chair of our Canadian management committee. Mr. Hurdon practises employment and labour law exclusively, advising and representing employers in both federal and provincial jurisdictions. He has extensive experience in representing and advising employers in matters relating to executive employment agreements, executive compensation and executive terminations. Mr. Hurdon regularly appear...