David R.J. Lefebvre

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...

Clara is a leading energy regulatory lawyer who specializes in the power sector. She is currently serving as head of the firm's Litigation & Dispute Resolution Group in B.C., managing the litigation departments in those offices. Clara advises clients on a broad range of matters before regulatory boards and the courts, including market rules and compliance, long-term resource planning, electricity export permits, international power line approvals, rate design, and capital project permitti...

Tim is peer ranked as one of the top labour and employment lawyers in Canada. For over 25 years, Tim has advocated for federally and provincially regulated employers on matters related to workplace law. He acts as lead counsel on significant labour, employment, and workplace human rights cases, including in matters that have been elevated to the Supreme Court of Canada. Tim sets a new standard for employer advocacy. His commitment to building trusting relationships through counseling employer...

Don Davies practises energy law, with a focus on the regulatory and litigation fields. Mr. Davies has represented oil and gas producers, pipeline companies and industry organizations in proceedings before the National Energy Board for more than 30 years. He has acted for both proponents and intervenors in many applications for the approval of pipeline facilities and for the determination of pipeline tolls and tariffs. His cases typically involve complex environmental, aboriginal, constitution...

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

Aubrey is a partner based in our Calgary office and practices in all areas of commercial real estate including purchase, sale, development, financing and leasing. He has extensive experience in complex real estate transactions including both pre-development lands and lands with existing office, retail or industrial developments. He has completed transactions with various unique aspects such as environmental contamination, appurtenant water licenses, long term ground leases for development, sy...

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.

Gail Black’s tax-based private client services practice focuses on trusts and estate planning and administration including Wills, substitute decision-making, various trusts, charitable planning and probate matters. As an active member of both the BC and Alberta Law Societies, she also advises on cross-provincial estate planning and administration matters. Working with US counsel, she assists clients on the tax-effective planning and administration of estates with US components including...

John is a partner at Felesky Flynn in Calgary, Alberta. He focuses on corporate and international tax planning and frequently assists clients in dispute matters. John holds dual qualifications as a lawyer and CPA in Alberta and previously served as a tax practitioner in Australia for many years. He graduated with honours from the University of Melbourne with a double degree in Law and Commerce and currently teaches tax law at the University of Calgary. Before joining Felesky Flynn, John pract...

William (Bill) Fowlis, KC, FCPA, FCA, TEP is a lawyer, a Chartered Professional Accountant/Chartered Accountant, and a Trust and Estate Practitioner (TEP). With this complementary professional background, Bill focuses on taxation, corporate, trust, succession, and estate planning law for privately owned businesses, corporations, family enterprises and high net worth individuals. Bill is considered to be one of the top legal professionals practicing in these areas of law in Canada. His practic...