Brian J. Thiessen KC
About Brian J. Thiessen KC
Brian J. Thiessen KC is a lawyer based in Calgary, AB and has been recognized in The Best Lawyers in Canada™ since 2011. Brian J. Thiessen KC is recognized in the following practice areas:
- Calgary, Alberta
- Employee Benefits Law
- Labour and Employment Law
- Privacy and Data Security Law
Current Firm: Osler, Hoskin & Harcourt LLP
Location: Calgary, AB
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Jessica A. MacDonald is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Jessica A., 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 Jessica A. is held by other top lawyers in the same geographic and legal practice area.
Kristian A. Duff is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law and Medical Negligence. Kristian A., 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 Kristian A. is held by other top lawyers in the same geographic and legal practice area.
Ricki Johnston is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insurance Law. Ricki, 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 Ricki is held by other top lawyers in the same geographic and legal practice area.
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.
Kevin has practiced almost exclusively family law for over 25 years. His more recent litigation has been at the appellate level but his practice has shifted to representing a few private clients and acting as mediator (most often with counsel present) and arbitrator (often of longer, more complicated arbitrations). His articles/papers on family law issues have been published by the Lawyer's Weekly and he is a regular contributor to the continuing legal education of Alberta's family bar throug...
Alexis specializes in insolvency and restructuring law, primarily serving corporate clients. Her practice encompasses representing debtor companies, secured and unsecured creditors, insolvency and restructuring professionals, and other key stakeholders in various insolvency proceedings. Additionally, she has broad experience in debt enforcement and collection matters and has assisted clients with property tax assessment disputes at the tribunal level and on appeal to the Alberta Courts. With ...
Vance Langford is a Calgary-based business lawyer and Managing Partner of Langford Law. Vance has over 20 years' experience working with clients to structure businesses, complete financings and transactions and resolve disputes with support from counsel for securities, tax and litigation matters. Vance’s practice includes negotiating and documenting acquisitions, divestitures, reorganizations and other complex business transactions, particularly involving multiple jurisdictions and comp...
Joyce is a leading labour and employment lawyer, known to both clients and opposing counsel for being meticulous in preparation and fearless in execution. Employers depend on Joyce to help address sensitive and consequential matters with a focused, disciplined approach that achieves results. Leveraging 30 years of labour relations experience in British Columbia and Alberta, Joyce represents clients before the Alberta Labour Relations Board, the B.C. Labour Relations Board, and the Canada Indu...
Rick Breen is a highly-experienced lawyer assisting his clients with practical advice on structuring their corporate and personal matters. He has worked with owner managers to establish, grow and ultimately transition businesses for over 20 years. Additionally, Rick’s experience with personal planning allows him to ensure the personal affairs of his clients are in order. Rick provides pragmatic advice and counsel in acting for owner managers and their families to address risk and planni...
Timothy C. Bailey PhD is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Timothy C., who practices law in Calgary, Alberta, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy C. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
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.
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.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.