Layne Thiessen

Clay Jacobson is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Energy Law. Clay, 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 Clay is held by other top lawyers in the same geographic and legal practice area.

Gavin Fitch is an award-winning lawyer and K.C. working in environmental, regulatory, energy permitting, and Indigenous law. He’s a respected and trusted advisor who provides sound, practical advice geared towards keeping his clients out of the hearing room. When necessary, however, he is a strong and fearless advocate, whether in negotiations or in a courtroom. His clients include developers, energy producers, environmental monitoring agencies, governments and landowners. For each indi...

Tanya A. Frizzell is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Personal Injury Litigation. Tanya A., who practices law in Calgary, Alberta, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tanya A. is held by other top lawyers in the same geographic and legal practice area.

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.

Katherine Stys is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Medical Negligence. Katherine, who practices law in Calgary, Alberta, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine is held by other top lawyers in the same geographic and legal practice area.

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...

Geoff Poelman practises in the litigation group with a focus on complex commercial litigation within the energy industry, construction law, and insurance defence. He has been involved in matters at all levels of court in Alberta, having experience with proceedings including contractual disputes, statutory interpretation and negligence. Geoff has successfully managed multi-party actions with complex procedural issues, often participating in a variety of alternative dispute resolution processes...

Thomas Cumming is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Financial Restructuring Law. Thomas, who practices law in Calgary, Alberta, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas is held by other top lawyers in the same geographic and legal practice area.

Elizabeth Burton is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Elizabeth, who practices law in Calgary, Alberta, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elizabeth is held by other top lawyers in the same geographic and legal practice area.

Perry R. Mack, K.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution, Appellate Practice, Bet-the-Company Litigation, Construction Law, Corporate and Commercial Litigation, Director and Officer Liability Practice, Insurance Law, International Arbitration and Personal Injury Litigation. Perry R., who practices law in Calgary, Alberta, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting t...