Calvin Lantz

Karen Jones is a top lawyer recognized by Best Lawyers in the practice area(s) of Health Care Law and Labour and Employment Law. A former registered nurse, Karen brings a rich perspective to her legal practice, including valuable insights on health care as it pertains to professional discipline, medical negligence and health law. Before becoming a lawyer, Karen travelled widely and worked in a variety of fields, from construction to investigations to politics and community activism. As counse...

Zev practices in the area of real estate and corporate commercial law and is also a member of the firm’s Compensation Committee. Zev acts for owners, developers, lenders, landlords, property and asset managers and tenants of all types of multi-residential, office, retirement home and retail properties in regards to negotiating acquisitions and sales, sophisticated commercial leases and related agreements as well as the structuring of such transactions. He also acts on behalf of Tier 1 l...

Devin Jarcaig is a partner at Mathers McHenry & Co, an executive advisory and employment law boutique located in downtown Toronto. Devin’s advisory practice focuses on providing strategic and legal advice to executives, directors, partners, shareholders, and other senior employees at key transition points in their careers. She regularly advises her clients on a wide range of complex employment law issues, including but not limited to employment terminations, written offers of employ...

John A. Olthuis is one of the founding partners of OKT. His practice includes litigation, comprehensive and specific land rights, self-government, and impacts and benefits agreements. John was on the legal team of the Assembly of First Nations in negotiations with Canada and the provinces lending to the inclusion of "Section 35" in Canada’s repatriated Constitution in 1982. John was legal counsel to Chiefs of Ontario and table negotiator at the Aboriginal Government table for the Assemb...

Catherine Carscallen is a lawyer recognized by Best Lawyers in the practice area of Technology Law. Catherine practices law in Toronto, Ontario Best Lawyers has recognized Catherine Carscallen 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 Catherine Carscallen is held by other lawyers.

Fellow of American College of Trial Lawyers (Chair, Ontario Committee). Fellow of International Society of Barristers. Best Lawyers in Canada® , Criminal Defence. Former Director, Advocates’ Society. Faculty Member, National Criminal Law Program. Criminal lawyer experienced in criminal, quasi-criminal, constitutional and special prosecutions matters. Appeared as counsel on many jury and bench trials, argued over 80 appeals in the Court of Appeal for Ontario and multiple appearances ...

Sloan Mandel was called to the Ontario Bar in 1996 and is certified by the LSO as a specialist in Civil Litigation. He is a partner at the law firm Thomson Rogers. He attended Cornell University and graduated from Osgoode Hall Law School in 1994. His practice focuses exclusively on personal injury and medical malpractice litigation on behalf of plaintiffs. Sloan is one of only 14 plaintiff-side personal injury lawyers in the province to have been concurrently listed in The Canadian Legal Lexp...

Jeffrey S. Percival is a lawyer recognized by Best Lawyers in the practice areas of Insurance Law and Labour and Employment Law. Jeffrey S. practices law in Mississauga, Ontario Best Lawyers has recognized Jeffrey S. Percival since 2027. 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 Jeffrey S. Percival is held by other lawyers.

Kathleen Skerrett is a lawyer recognized by Best Lawyers in the practice areas of Mining Law and Securities Law. Kathleen practices law in Toronto, Ontario Best Lawyers has recognized Kathleen Skerrett 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 Kathleen Skerrett is held by other lawyers.

Brad Moore's practice focuses on corporate, securities, transactional and financial services litigation. Brad represents investment dealers, registered representatives and other market participants in civil and regulatory proceedings, and he also regularly leads complex and sensitive internal investigations in both the public company and securities dealer contexts. In addition, Brad frequently acts on matters involving shareholder disputes, and in statutory plan of arrangement proceedings. Br...