Layne Thiessen

Mike Grassie is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation. Mike, 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 Mike is held by other top lawyers in the same geographic and legal practice area.

Lara Mason’s practice encompasses a wide range of commercial litigation matters, including commercial disputes, transnational and cross-border disputes, professional liability matters, insurance coverage disputes and class actions. Ms. Mason has appeared at all levels of court in Alberta, before the Supreme Court of Canada, and before the Alberta Utilities Commission. She has also participated in a variety of alternative dispute resolution processes.Ms. Mason joined our Calgary office a...

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...

Brian Milne practises in the areas of Canadian tax and charity law. Mr. Milne regularly advises public and private businesses and their investors on acquisitions, financing, cross-border structuring and the design of employee compensation plans. He also frequently advises charitable and non-profit organizations on a wide range of matters, including charitable gifting and the structuring of developments using charitable assets.Mr. Milne has served as a director of the Canadian Petroleum Tax So...

Brendan’s practice is focused on mergers, acquisitions and project development. Clients value Brendan for his experience acting for public and private companies on a broad range of complex transactions and commercial arrangements. Frequently acting on domestic and cross-border merger and acquisition transactions, including share and asset purchases and sales, Brendan also advises on joint ventures, partnerships, project development and commercial arrangements and corporate reorganizatio...

Greg Lindsey is the Managing Partner of Linmac LLP and a trusted advisor with over 25 years of experience at the intersection of tax and estate law. Recognized in The Best Lawyers in Canada for Trusts and Estates, Greg is known for delivering integrated, tax-optimized strategies to high and ultra-high-net-worth individuals, family offices, and business owners. Greg advises on a broad range of matters, including family and private business tax planning, succession and intergenerational wealth ...

Stacey has practiced exclusively in the area of family law since her call to the Bar in 2014, and between 2010 and 2014 she worked and/or volunteered with Family Justice Services (now Resolution Services) at the Calgary Courts Centre as a judicial clerk/intake worker assisting individuals with Family Law matters. Stacey believes that clients are best served through the use of alternative dispute resolution processes such as mediation and arbitration, and as such will encourage people to consi...

Kevin Keyes is a Partner in the firm’s Calgary office. His practice focuses on real estate development, financing and leasing. Kevin has advised clients with respect to land assembly; annexation; purchase; subdivision; rezoning; development approvals; financing; leasing; management and sale of commercial and institutional projects, and public/private-sector initiatives. Regularly assists clients in making strategic business decisions, negotiating and preparing complex commercial agreeme...

Shannon is an innovative and high-performing litigation and regulatory lawyer with over 20 years of experience advising clients on complex commercial and regulatory matters. Her practice focuses on resolving difficult business disputes in the commercial, energy and power sectors. She has extensive experience managing large, complex litigation, regulatory and administrative matters in the electricity and oil and gas industries, where organization, accountability, effective communication and ov...

S.B. Gavin Matthews is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution, Appellate Practice, Class Action Litigation, Construction Law, Corporate and Commercial Litigation, Insurance Law, Labour and Employment Law and Product Liability Law. S.B. Gavin, who practices law in Calgary, Alberta, has been recognized since 2011. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which S.B. Gavin is held by o...