David LeGeyt

Marco is a skilled litigator who represents clients in a wide range of disputes. He applies his considerable experience before courts and administrative tribunals to successfully defend his clients’ best interests. Marco’s diverse practice includes commercial litigation, insurance and risk management, professional discipline, and municipal matters. He has significant experience litigating contractual disputes and negligence claims, routinely representing energy companies, engineer...

Tara G. Tiefenbach is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Tara G., who practices law in Calgary, Alberta, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Tara G. is held by other top lawyers in the same geographic and legal practice area.

Beth Younggren is a member of Dunphy Best Blocksom LLP ’s civil litigation and dispute resolution team. She joined the firm in 2015 after articling with and then working as associate counsel at a large multi-national law firm in its civil litigation group. Beth maintains a diverse commercial litigation practice, and specializes in advising clients with respect to construction litigation, including builders’ liens, contractual disputes, especially in the oil and gas and real estate...

Alan Harvie has practised energy and environmental/regulatory law since 1989 and regularly deals with commercial, operational, environmental and regulatory issues, especially for the upstream and midstream oil and gas, energy, waste disposal and chemical industries. He is a member of our energy and environmental departments. Mr. Harvie also has significant legal experience acting for the oil and gas industry in commercial transactions and regulatory matters, including enforcement proceedings,...

Karen Pirie, KC is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Medical Negligence and Professional Malpractice Law. Karen, who practices law in Calgary, Alberta, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karen is held by other top lawyers in the same geographic and legal practice area.

KayLynn Litton is the Canadian head of our energy sector. She regularly assists clients on a broad range of corporate and commercial matters, including domestic and international acquisitions and divestitures, joint venture projects, midstream contracts, corporate reorganizations, Aboriginal consultation and general contractual matters. Her practice includes negotiating and drafting complex transactional, corporate, commercial and operational agreements for clients in a variety of energy indu...

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...

Caroline Lee, KC is a senior family law practitioner specializing in family law and alternative dispute resolution including collaborative family law, mediation and arbitration. She joined Dunphy Best Blocksom LLP 1989 with an established background in all aspects of family law. Caroline became a partner in 1994 and was managing partner of the firm for six years. She was appointed King’s Counsel in 2004. Caroline has been involved as a family law teacher and lecturer with the Legal Educ...

Matt Keen is an energy regulatory lawyer who practises in the inter-related areas of energy law, environmental assessment and permitting, tolls and tariffs, and issues concerning Indigenous peoples. He appears before tribunals such as the British Columbia Utilities Commission, Environmental Appeal Board, Alberta Utilities Commission, and the National Energy Board of Canada. Matt has extensive experience with major industrial facility applications and the associated environmental assessment an...

Robert has extensive experience in oil and gas litigation and arbitrations, construction litigation, contract breach cases, First Nations governance, pension litigation and defamation actions, and he has represented clients in professional disciplinary matters before the Alberta Securities Commission, APEGGA, CREB and the Professional Conduct Committee of the Canadian Institute of Actuaries. He acts for a range of clients, from large corporations, pension funds and public institutions to indi...