Roxanna S. "Roxy" Petts

Bill practices corporate commercial, construction and energy law, with an emphasis on public-private partnerships and construction contracts. His expertise includes: Public-private partnerships Rail and light rail projects Commercial, residential and mixed-use development projects Power plant and industrial EPC contracts Procurement documents and agreements to design, build and construct any asset Mergers and acquisitions Bill completed his articles with BLG. Before law school, he worked for ...

S.B. Gavin Matthews is a lawyer recognized by Best Lawyers in the practice areas 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 practices law in Calgary, Alberta Best Lawyers has recognized S.B. Gavin Matthews since 2011. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and l...

Jeffrey Coles is a lawyer recognized by Best Lawyers in the practice areas of Biotechnology and Life Sciences Practice and Intellectual Property Law. Jeffrey practices law in Calgary, Alberta Best Lawyers has recognized Jeffrey Coles since 2022. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeffrey Coles is held by other lawyers.

Karen's practice focuses on complex commercial, construction, and contract litigation and arbitration. Karen leverages her over 20 years’ of experience to advise clients on a broad range of complex litigation and arbitration disputes. Providing counsel to clients in the energy, agricultural, chemical and construction industries, she has been involved in the resolution of a variety of claims, including multi-party actions, contract disputes, estate litigation, product liability claims, a...

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...

Lucy L'Hirondelle is a litigator whose practice encompasses a broad range of commercial litigation matters and international arbitration with an emphasis on oil and gas litigation/arbitration, contractual disputes, management-side employment litigation. She also has experience conducting third-party investigations. Lucy has worked in the Calgary litigation group since 2012 and has appeared before all levels of court in Alberta, the Nova Scotia Supreme Court, and is familiar with Federal Court...

Tim Ryan is a partner in Gowling WLG's Calgary office. He practises actively in the area of health law, professional regulation and professional liability. Tim's practice includes class action proceedings, administrative law and the defence of medical, pharmacist and engineering malpractice cases. He also has an interest in public and private international law matters. While at Cambridge, Tim concentrated his studies in public and private international law, including studies at the Lauterpach...

Jamie Flanagan is an experienced advocate who has guided his clients through difficult times for more than 30 years. Focusing on civil litigation, he handles commercial and construction litigation, employment law disputes, and estate litigation. When a matter proceeds to trial, Jamie has the litigation experience to aggressively and thoroughly pursue his clients' interests. He has appeared before the provincial, superior, and appeal courts of Alberta, British Columbia, and Saskatchewan on a w...

John Jung is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. John practices law in Calgary, Alberta Best Lawyers has recognized John Jung since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which John Jung is held by other lawyers.

E. Jane Butcher is a lawyer recognized by Best Lawyers in the practice area of Corporate and Commercial Litigation. E. Jane practices law in Calgary, Alberta Best Lawyers has recognized E. Jane Butcher since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which E. Jane Butcher is held by other lawyers.