Derek D. Key KC

Herbert Z. Pinchuk is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Leasing Law and Corporate Law. Herbert Z., who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Herbert Z. is held by other top lawyers in the same geographic and legal practice area.

Kevin’s practice primarily involves insurance, construction and professional governance issues. From an insurance perspective, Kevin provides advice to national and international insurers in respect of a full range of insurance matters including casualty, property, life, surety, professional liability, malpractice and general and products liability, as well as regulatory issues. In addition to general defence work related to claims against insurers and insureds, he regularly prosecutes ...

Antoine Guilmain is a partner in Gowling WLG's Montréal office where he co-leads the firm's national Cyber Security and Data Protection Law Group. He holds two PhD's in Information Technology Law from the University of Paris 1 Panthéon-Sorbonne and the University of Montréal. He has published multiple monographs and articles, frequently gives conferences, and teaches at several universities.

Alissa Demerse is a partner at Roper Greyell LLP where she provides practical and strategic advice to employers in all areas of employment and labour law. As RG’s Workplace Safety Practice Lead, Alissa also maintains a specialized practice in occupational health and safety prevention matters, workers’ compensation claims, and human rights law including return to work issues and harassment claims. Alissa’s approach is to be proactively involved with her clients in resolving d...

Annamaria Enenajor is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Appellate Practice, Cannabis Law, Criminal Defence and Professional Malpractice Law. Annamaria, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Annamaria is held by other top lawyers in the same geographic and legal practice area.

Catherine Carscallen is a top attorney recognized by Best Lawyers in the practice area(s) of Technology Law. Catherine, 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 Catherine is held by other top lawyers in the same geographic and legal practice area.

James is a partner in the McKercher LLP Saskatoon office where he focuses on corporate governance and commercial real estate and financing, natural resources law and land development law. James practices in the areas of corporate, commercial and transactional law with a focus on matters relating to corporate governance, commercial real estate and financings, natural resources law and securities law. His clients span many industries including but not limited to natural resources and mining, ma...

Katherine Prusinkiewicz is the knowledge lawyer for the Calgary office, working to leverage the practice's collective wisdom to ensure efficiency and uniform quality. She supports lawyers in our business law group with model documents and precedents, legal updates, training and other information needs and assists in our client communication program. As a result of our knowledge management initiatives and the practice’s culture of contributing and sharing knowledge, our clients can expec...

Aaron Murray is one of the founding partners of Leone Murray LLP. He handles a wide variety of personal injury and civil litigation cases. Aaron has trial experience in jury and non-jury settings. He has successfully argued numerous Divisional and Superior Court matters. This has included the conduct of long and document intensive jury trials, resulting in successful results for his clients. Aaron handles a full variety of personal injury and civil litigation claims for his clients and he con...

Warren P. Foley is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law. Warren P., who practices law in Calgary, Alberta, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Warren P. is held by other top lawyers in the same geographic and legal practice area.