Lonny L. Balbi, KC

Kristian A. Duff is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Medical Negligence. Kristian A., 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 Kristian A. is held by other top lawyers in the same geographic and legal practice area.

Frank Y. Sur is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law and Securities Law. Frank Y., 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 Frank Y. is held by other top lawyers in the same geographic and legal practice area.

John is a member of the firm’s Indigenous, Environmental, and Project Development practice groups. His practice includes advising private sector and government clients throughout Canada on Indigenous, environmental, regulatory and natural resources matters. John advises oil sands developers, conventional oil and gas companies, railways, mining companies, utilities and other resource developers on environmental regulatory matters and on Indigenous law matters, including Indigenous consul...

Mylène D. Tiessen is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation, Insurance Law and Medical Negligence. Mylène D., who practices law in Calgary, Alberta, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mylène D. is held by other top lawyers in the same geographic and legal practice area.

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.

Aaron Martens, KC is a family law practitioner, mediator, arbitrator and Registered Collaborative Family Lawyer. He joined Dunphy Best Blocksom LLP in 1998 and is a partner in the firm. Aaron’s experience in family law matters includes being counsel on a wide variety of family and special chambers applications. He has represented clients in trials at Provincial Court and the King's Counsel, and has made appearances at the Court of Appeal of Alberta. Aaron also does adoption work. Aaron ...

Nancy's practice focuses primarily on the tax aspects of mergers, acquisitions and reorganizations, including cross-border transactions or financings and intragroup restructurings. She is particularly experienced in the area of resource taxation. Nancy has worked on a wide variety of transactions for multinationals, private companies, senior, intermediate and junior resource issuers and private equity groups.

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...

Aaron Stephenson practises in the fields of insolvency and restructuring, commercial litigation and indigenous law. Mr. Stephenson advises all types of participants in insolvency and restructuring proceedings, both domestic and cross-border, including debtors, creditors, investors and insolvency professionals. His experience spans restructuring proceedings under the Companies' Creditors Arrangement Act, proposal proceedings under the Bankruptcy and Insolvency Act, plans of arrangement under c...

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...