Clayton H. Cook

Lori advises both domestic and international clients on a broad range of tax matters. She has extensive experience in business structuring, corporate reorganizations, pre-sale and divestiture planning, business succession planning, executive and employee compensation, immigration/emigration, trusts, and estates. Corporate, institutional and individual clients turn to her for clear, actionable guidance on complex tax matters. Known for translating intricate tax rules into practical, tax-effici...

Rujuta Patel practises business law and competition law, with a focus on the resources and transportation sectors. She advises on private mergers and acquisitions, corporate reorganizations and restructurings of multinational and Canadian organizations, private placements and a variety of energy-related matters. She works regularly with energy services companies and is experienced in drafting, negotiating and advising on a broad range of services, drilling and engineering contracts. She also ...

As a partner at JSS Barristers, Kajal’s practice primarily involves large and complex file management, organization, and analysis. Kajal has experience advocating claims on behalf of individuals, corporations, and groups of litigants. In her practice she works closely with her clients including individuals, in-house counsel and business groups. Kajal practices in most areas of civil litigation with a focus on oil and gas litigation, securities litigation, construction disputes, includin...

Rick Breen is a highly-experienced lawyer assisting his clients with practical advice on structuring their corporate and personal matters. He has worked with owner managers to establish, grow and ultimately transition businesses for over 20 years. Additionally, Rick’s experience with personal planning allows him to ensure the personal affairs of his clients are in order. Rick provides pragmatic advice and counsel in acting for owner managers and their families to address risk and planni...

Ryan Mullins is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation. Ryan, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ryan is held by other top lawyers in the same geographic and legal practice area.

Crispin is the Administrative Partner of the Calgary office and practices in the areas of business law, corporate finance and securities, mergers and acquisitions, and energy. He advises clients on corporate finance, public and private M&A, corporate reorganizations, and governance matters across a range of industries, including oil and gas, oilfield services, mining, power, and manufacturing. Crispin has significant experience with corporate finance and securities transactions, including...

Shannon Hayes, KC, practices commercial litigation and arbitration and is the Leader of the Litigation & Dispute Resolution Group in the firm’s Calgary office. She has been practicing for more than 20 years in dispute resolution and has a broad range of experience on commercial and business dispute matters, working with companies in a wide range of industries, including energy, power, real estate, and technology. Shannon has appeared as counsel before all levels of court in Alberta ...

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...

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

Sarah Coderre is a top attorney recognized by Best Lawyers in the practice area(s) of Labour and Employment Law. Sarah, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah is held by other top lawyers in the same geographic and legal practice area.