Sean Cahill
About Sean Cahill
Sean Cahill is a lawyer based in Calgary, AB and has been recognized in Best Lawyers: Ones to Watch in Canada™ since 2024. Sean Cahill is recognized in the following practice areas:
- Calgary, Alberta
- Corporate Law
- Mergers and Acquisitions Law
- Real Estate Law
- Securities Law
Current Firm: Blake, Cassels & Graydon LLP
Location: Calgary, AB
Nearby Lawyers
Katherine Ratcliffe is a trusted advisor to high-net-worth individuals, families, and business owners on their estate, trust, and tax matters. She develops sophisticated, client-centric planning strategies that reflect legal precision, practical insight, and a deep understanding of clients’ particular objectives. Katherine’s practice focuses on complex estate planning, trust and corporate structuring, business succession, and post-mortem tax planning. She regularly prepares bespok...
Michael began his legal career with Bennett Jones LLP. Michael joined Carbert Waite LLP in 2003. In 2020, Michael was appointed King’s Counsel by Alberta’s Minister of Justice and Solicitor General, Doug Schweitzer. Appointments of King’s Counsel are awarded to lawyers who have made significant contributions to the legal profession and have demonstrated exceptional leadership. LITIGATION PRACTICE Michael is an accomplished advocate and maintains an active civil and commercia...
Steve Leitl's practice covers a broad range of commercial litigation matters, with an emphasis on securities, M&A, directors'/officers' liability, class actions and internal investigations. Mr. Leitl has conducted proceedings in the courts of Alberta, Ontario, Manitoba and Canada (Federal Court) and appeals in the Ontario Court of Appeal and Alberta Court of Appeal. He has conducted various regulatory proceedings before the Ontario, Alberta and Manitoba securities commissions and the Albe...
Jason Wilkins, KC articled with Dunphy Best Blocksom LLP in 2001 and joined the partnership in 2010. Jason practices primarily in the area of employment and family law. Jason acts for both employers and employees and enjoys the perspective both bring. Jason is experienced in all facets of property disputes, spousal support, custody/access and child support. He has a particular interest in Hague Convention (international child abduction) cases. He also maintains a civil litigation practice inc...
Katherine Rubin is an associate in Fasken’s Knowledge and Practice Innovation department, and works with the Banking and Finance group across the Firm. In this role, Katherine assists the Banking and Finance group by creating and locating resources and content to ensure the efficient and consistent delivery of high quality legal services, and by maximizing the group’s shared intellectual capital. Katherine has a broad range of experience in banking and finance law, and has represe...
Alison is a skilled labour and employment lawyer. She advises employers in Alberta and Ontario in a wide range of industries across the public and private sectors, including oil & gas, banking, food and agriculture, aviation, and health care. Alison works closely with in-house counsel as well as human resources and labour relations professionals providing strategic advice on labour relations, arbitration, collective bargaining, human rights, employment policies and procedures, disability ...
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...
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...
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...
Alison Gray is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Construction Law and Corporate and Commercial Litigation. Alison, who practices law in Calgary, Alberta, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alison is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.