Gavin MacKenzie

Paul S. Carenza is a lawyer recognized by Best Lawyers in the practice area of Tax Law. Paul S. practices law in Toronto, Ontario Best Lawyers has recognized Paul S. Carenza since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Paul S. Carenza is held by other lawyers.

James Kosa is a partner at WeirFoulds with a practice focused on information technology and intellectual property law. James offers his clients a wealth of knowledge and experience from across the spectrum of technology issues, including the protection and exploitation of computer and software technology, IT and IP licensing, privacy, security breaches and dispute resolution. James’ depth of experience means that he is able to offer his clients clear, practical and well-rounded advice b...

Mark Rowlinson advances the interests of workers in his international law, trade law and labour law practice. He also advocates in the area of climate and the environment. Mark joined the firm after a 26-year career with one of Canada’s largest private sector trade unions. He has decades of experience in litigating a wide variety of labour law cases before labour boards, arbitrators and in the courts across Canada. He has also litigated labour cases under Canada’s trade agreements...

Heela Donsky Walker is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Heela Donsky practices law in Toronto, Ontario Best Lawyers has recognized Heela Donsky Walker since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Heela Donsky Walker is held by other lawyers.

When lawyers and financial advisors have complicated estate and guardianship problems, they call Margaret. Specialized work in complex, high-conflict family estate and guardianship situations, international estate administration matters, and difficult estate planning scenarios are Margaret’s chosen practice area. As an advocate, client counsel and as a mediator, Margaret is a problem solver, using all of the available tools to achieve solutions that work. When necessary, she is ready, a...

Jean-Claude Killey is a top lawyer recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice, Corporate and Commercial Litigation and Health Care Law. Jean-Claude has a broad background as a civil litigation generalist. His clients value his ability to grasp the unique pressures of their businesses and strategize accordingly. He brings a welcome adaptability and unflappability to high-stress situations, making him a sought-after team member on lar...

Jeffrey Long is the leader of Koskie Minsky’s Construction Group and the Firm’s Managing Partner. Jeffrey manages a dynamic advocacy practice specializing in commercial and construction litigation with an unrelenting delivery of effective and strategic legal counsel. Named as one of Canada’s Best Lawyers for the past several years, Jeffrey has over 30 years of experience and represents many of Ontario’s largest builders, general contractors, subcontractors, trade union...

Lesa MacDonald is a member of the Pension and Employee Benefits Group at Koskie Minsky. Before joining Koskie Minsky, Lesa was employed as a legal counsel with the Financial Services Commission of Ontario where she provided legal advice and representation to the Superintendent of Financial Services on issues concerning the regulation of pension plans. With her experience in the areas of compliance with pension legislation and government policy making, Lesa provides clients with insight into r...

Aaron Edgar is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Aaron practices law in Toronto, Ontario Best Lawyers has recognized Aaron Edgar since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Aaron Edgar is held by other lawyers.

David Harris-Lowe is a lawyer recognized by Best Lawyers in the practice area of Family Law. David practices law in Barrie, Ontario Best Lawyers has recognized David Harris-Lowe since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David Harris-Lowe is held by other lawyers.