Sean Jeffers

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 ...

Marcus is an award-winning family lawyer practicing in Alberta and British Columbia, honoured as one of Canada’s Top 25 Most Influential Lawyers and featured in Best Lawyers in Canada in 2024, 2025, and 2026. As the founder of both Crossroads Law and Coach My Case, he is recognized for disrupting the practice of law to provide a more client-centred legal experience while advocating for access to justice. Marcus is passionate about consensual dispute resolution. He believes that most fam...

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...

Tom is a leading practitioner in management-side labour and employment law with over 25 years of experience. Applying sound judgment, proactive strategies, and common sense, Tom has successfully represented employers in a wide range of complex and challenging matters. His continued success has earned him recognition from several leading industry guides as well as the respect of both colleagues and clients. With a focus on unionized workplaces, Tom advises and represents employers in labour ar...

Ken’s practice focuses on tax litigation and tax dispute resolution. With over 30 years as a tax lawyer, he also has extensive experience in corporate tax planning, reorganizations and personal tax planning. Becoming partner at Felesky Flynn in 1996, Ken was co-managing partner from 2008 to 2015 and was appointed King’s Counsel in 2008. He has represented taxpayers before the Supreme Court of Canada, Tax Court of Canada, Federal Court of Appeal, Alberta Court of Queen’s Benc...

Jennifer McPherson is a corporate and commercial lawyer focusing on corporate finance and securities, mergers and acquisitions, and general corporate and commercial matters. Jennifer has acted for private and public companies on a broad range of matters, including public offerings, private placements, plans of arrangement, and asset and share purchase and sale transactions. She has also advised clients on stock exchange listings, continuous disclosure matters, and corporate governance issues.

Jonathan is an experienced civil and commercial litigator who advises clients on a broad range of matters, including commercial litigation proceedings, real estate disputes, estate litigation, insurance matters, and class actions. His practice crosses multiple industries, including construction, real estate, and oil and gas. With experience handling a breadth of cases, Jonathan advises on shareholder disputes, oppression remedies, professional negligence matters, complex commercial conflicts,...

Taryn Burnett is a partner in firm's Calgary office. Her practice focuses on civil litigation and privacy related matters. In her civil litigation practice, Taryn's practice focuses on professional and product liability. Taryn acts on product liability cases in various industries, including the automobile industry, where she has been the trusted adviser to a large industry client migrating their risk, providing creative solutions and delivering dedicated client service. In addition, she regul...

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

Shannon Hayes, KC, practices commercial litigation and arbitration and is the Leader of the Litigation & Dispute Resolution Group in the firm’s Calgary office. She has been practicing for more than 20 years in dispute resolution and has a broad range of experience on commercial and business dispute matters, working with companies in a wide range of industries, including energy, power, real estate, and technology. Shannon has appeared as counsel before all levels of court in Alberta ...