D. Brett Anderson

Dennis Langen practices regulatory law and litigation and has an in-depth knowledge of the energy industry. With a practice focused on oil and gas and electricity, Dennis assists clients in navigating energy regulatory regimes and frameworks in dynamic technical and business environments. He has extensive experience in the regulation of energy and infrastructure development, energy markets and energy services. He advises clients in respect of federal and provincial regulation of infrastructur...

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...

Chrysten Perry, KC, is Managing Partner of the Calgary office, Co-Head of the Energy Group and a member of the Partnership Board. She is a partner in the Commercial Energy, Corporate and Projects and Infrastructure Groups and has more than 30 years of experience practicing corporate and commercial law in the energy industry. Chrysten advises clients on a diverse array of energy-driven matters including joint ventures, private share and asset purchase and sale transactions, transportation, pro...

Arif is a commercial litigator based in Calgary. He has appeared at all levels of court in both Alberta and Saskatchewan, as well as at the Supreme Court of Canada. Arif has experience in international arbitration and before administrative boards, including the Sport Dispute Resolution Centre of Canada. Arif has represented large multinational corporations, product manufacturers, entrepreneurs, professional athletes, national sports organizations, franchisees and franchisors, general contract...

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...

Tracy Hanson is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Tracy, 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 Tracy is held by other top lawyers in the same geographic and legal practice area.

Robin Acworth is a commercial lawyer whose practice focusses on the upstream and midstream energy sectors, including LNG and renewables. Robin has extensive experience advising on energy projects and transactions in Canada and in a broad range of other jurisdictions. His experience includes advising on the sale and purchase of LNG and other commodities, transportation, construction and use of terminals, power generation facilities and other infrastructure, both onshore and offshore, including...

Megan L. McMahon is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law, Insurance Law and Medical Negligence. Megan L., 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 Megan L. is held by other top lawyers in the same geographic and legal practice area.

Amanda Marsden is a senior family and estate planning lawyer with Crossroads Law who brings a unique blend of expertise. Before focusing exclusively on family law, Amanda honed her skills at a prestigious national law firm, where she delved into the complexities of corporate law, gaining valuable insights that now give her an edge in handling high net-worth property settlements for her clients. A Holistic Approach t o Family Law Beyond her legal prowess, Amanda brings a distinctive background...

Emily is a dedicated and effective problem-solver. She is a lawyer in Gowling WLG’s Calgary office, and an experienced and successful litigator. Emily represents clients at all levels of courts and tribunals in Alberta, and in mediations and alternate dispute resolution. Her practice focuses on corporate and commercial litigation, and medical defence. Emily is an empathetic and trusted advisor and a loyal advocate for her clients, with an emphasis on finding practical solutions to compl...