David Cuschieri

John Cassell is the Canadian co-head of our cybersecurity and data privacy practice. John assists clients with all manner of privacy and cybersecurity law issues including: responding to complex local and international cybersecurity incidents, advising on risk management strategies, assisting clients with access to information requests, complying with Canada's anti-spam legislation and proceedings before the offices of the Alberta and federal privacy commissioners.

Arif is a commercial litigator based in Calgary. He has appeared at all levels of court in both Alberta and Saskatchewan, as well as at the Supreme Court of Canada. Arif has experience in international arbitration and before administrative boards, including the Sport Dispute Resolution Centre of Canada. Arif has represented large multinational corporations, product manufacturers, entrepreneurs, professional athletes, national sports organizations, franchisees and franchisors, general contract...

Marcus is an award-winning family lawyer practicing in Alberta and British Columbia, honoured as one of Canada’s Top 25 Most Influential Lawyers and featured in Best Lawyers in Canada in 2024, 2025, and 2026. As the founder of both Crossroads Law and Coach My Case, he is recognized for disrupting the practice of law to provide a more client-centred legal experience while advocating for access to justice. Marcus is passionate about consensual dispute resolution. He believes that most fam...

For over 30 years, Zul Verjee has stood at the forefront of commercial litigation and insurance litigation in Alberta and across Canada. Zul is recognized as a leading litigation trial lawyer across Canada and North America. He has appeared at all levels of Court in Alberta, the Federal Court of Canada and conducted over 100 mediations and Judicial Dispute Resolution conferences. Zul’s practice spans the most complex disputes including commercial litigation, major personal injury and fa...

Timothy St. John Ellam, KC is senior counsel in our Litigation and Dispute Resolution Group, working in Calgary and London. Tim is a distinguished international litigation and arbitration counsel with more than 35 years of domestic and international experience. He principally practices in the area of international arbitration in both Canada and London, UK with an emphasis on energy and intellectual property matters. Tim has appeared as senior counsel in numerous patent, licensing, copyright a...

Nancy's practice focuses primarily on the tax aspects of mergers, acquisitions and reorganizations, including cross-border transactions or financings and intragroup restructurings. She is particularly experienced in the area of resource taxation. Nancy has worked on a wide variety of transactions for multinationals, private companies, senior, intermediate and junior resource issuers and private equity groups.

Matthew Longstaff has extensive experience advising investment banks, sovereigns, private equity houses and corporate clients in a broad range of cross‑border debt financings, including high‑yield bonds, leveraged bank finance, syndicated and bilateral bank financings, project financings, convertible and exchangeable bonds, sovereign bonds, hybrid capital issuances, consent solicitations, and securitizations, as well as advising on restructurings and in distressed debt scenarios. In addition,...

Dereck is a senior family law lawyer, having practiced exclusively in this area since being called to the Alberta Bar in 1995. Dereck holds a B.A. (Hons.) from McGill University followed by his L..L.B. from the University of Alberta. As a skilled litigator, he has appeared successfully at all levels of court in Alberta as well as in numerous arbitrations. Dereck also has extensive experience in negotiating settlements and drafting agreements. He applies a reasoned approach to his files and en...

Larissa's practice encompasses advising a broad range of clients on complex commercial real estate matters including acquisition and disposition transactions, land ownership and structuring arrangements, leasing, mortgage financing, real estate development matters and foreign ownership of land compliance matters. Larissa advises a variety of local, national and international clients including real estate advisors, asset and property managers, landlords and tenants, institutional lenders and b...

Shannon joined Parlee McLaws as an associate in 2003 following the completion of her articles with the firm. She has focused her practice in the area of civil litigation, with a primary emphasis on oil and gas litigation and insurance defence matters. Specifically, in the oil and gas context, Shannon has extensive experience litigating all aspects of the industry including: Lease disputes Drilling contracts Service Agreements Constructive dismissal Breach of fiduciary duties Breach of confide...