William S. "Will" Osler
About William S. Osler
William S. Osler is a lawyer based in Calgary, AB and has been recognized in The Best Lawyers in Canada™ since 2013. William S. Osler is recognized in the following practice area:
- Calgary, Alberta
- Mergers and Acquisitions Law
Current Firm: Bennett Jones LLP
Location: Calgary, AB
Nearby Lawyers
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...
Emi R. Bossio is a top attorney recognized by Best Lawyers in the practice area(s) of Alternative Dispute Resolution, Appellate Practice, Corporate and Commercial Litigation, Labour and Employment Law and Product Liability Law. Emi R., who practices law in Calgary, Alberta, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Emi R. is held by other top lawyers in the same geographic and legal practice area.
David Eeles has over 15 years’ experience representing project developers, sponsors, industrial hosts and other project participants in connection with the acquisition, development, construction, financing, operation, restructuring and disposition of energy, infrastructure and industrial projects, including renewable energy projects, power plants, cogeneration plants, heavy oil upgraders and public-private partnership projects. Mr. Eeles has acted as the lead lawyer on a number of such ...
Gary Clarke, KC is a partner and Co-Head of the Employment & Labour Group nationally and Head of the Employment & Labour Group in Western Canada. Gary’s practice focuses on employment, labour relations, human rights and privacy law. He assists employers in both union and non-union environments with various human resources and labour relations issues including: drafting employment agreements, compensation schemes, workplace policies, restrictive covenants and non-disclosure agree...
Renée has practiced family law exclusively since 2001. She is passionate about helping her clients find resolutions to their parenting or financial issues based on mutual respect and understanding. She is a partner at Moe Hannah LLP. Renée is a private Mediator and acts as a Dispute Resolution Officer (mediator) in the Court of Queen’s Bench of Alberta. Renée also volunteers her time with law students who are completing their bar admission through the Canadian Centr...
Brenden Hunter practices energy regulatory, Indigenous and environmental law. Frequently appearing before regulatory tribunals, Brenden has extensive project experience, providing representation and assistance to clients in developing and defending applications. Brenden also advises on and assists regulated utilities with their rate related applications, both generic and utility specific. Brenden’s project experience includes acting for and advising clients regarding: electrical (high v...
PROFESSIONAL EXPERIENCE: Mr. Halt graduated as the gold medal recipient from the University of Saskatchewan in 1986 and in 1988-89 he had the honour of serving as a law clerk to Madam Justice Bertha Wilson of the Supreme Court of Canada. Following his clerkship, Mr. Halt relocated to Calgary and has since practised civil litigation, including insurance with an emphasis on professional liability, corporate commercial litigation, securities litigation, franchise litigation, insolvency, construc...
Marcus Archer focuses on public and private debt and equity financings, mergers and acquisitions, restructurings, reorganizations and purchases and sales of businesses and assets, acting for corporations, private equity, investment banks and creditors. He also assists clients with corporate governance, regulatory compliance, continuous disclosure and general corporate matters. Mr. Archer is a director or corporate secretary of a number of public and private corporations. Mr. Archer joined our...
Colleen Abel is a corporate and commercial lawyer in our Calgary office, with a practice that primarily focuses on energy and natural resources. In addition to her energy practice, Colleen also has broad experience in providing general advice and assistance to clients across a variety of industries, including financial, consumer goods and technology, and provides support to clients and our team in relation to M&A employment matters. She has extensive experience in interpreting, preparing ...
Brent focuses his practice on business and personal tax planning, leading projects for restructuring, split-ups, acquisitions, asset divestitures and financings. He represents clients in tax disputes, representing clients before the Canada Revenue Agency, Department of Justice and Department of Finance. From the Alberta Government to the Institute of Chartered Accountants, Brent has worked with a variety of government, industry and volunteer organizations to improve tax laws. For the past 30 ...
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.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
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