Thomas Collopy

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 ...

Creative and thorough, Sue Remmer believes in a practical approach as to whether a situation requires litigation or mediation. With her attention to detail and talent for uncovering facts, she sees the big picture of the situation to find a fair resolution in complex litigation matters. Sue practises primarily in the area of insurance defence and has a particular strength in defence work on the personal injury side. She handles complex litigation, including fatality claims, serious personal i...

Pragmatic in her approach to client service, Gillian is a versatile litigator with significant courtroom experience in the United States and Canada. With a diverse skillset, Gillian maintains a civil litigation practice primarily in the areas of insurance defence, commercial and condominium litigation. Gillian began her career as a lawyer in Nevada and California. There, she honed her skills working in private practice and as in-house counsel with a national insurance company. Industrious and...

Darren J. Taylor is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Leasing Law and Real Estate Law. Darren J., 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 Darren J. is held by other top lawyers in the same geographic and legal practice area.

John Cassell is the Canadian co-head of our cybersecurity and data privacy practice. John assists clients with all manner of privacy and cybersecurity law issues including: responding to complex local and international cybersecurity incidents, advising on risk management strategies, assisting clients with access to information requests, complying with Canada's anti-spam legislation and proceedings before the offices of the Alberta and federal privacy commissioners.

John Jung is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John, 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 John is held by other top lawyers in the same geographic and legal practice area.

Kevin Keyes is a Partner in the firm’s Calgary office. His practice focuses on real estate development, financing and leasing. Kevin has advised clients with respect to land assembly; annexation; purchase; subdivision; rezoning; development approvals; financing; leasing; management and sale of commercial and institutional projects, and public/private-sector initiatives. Regularly assists clients in making strategic business decisions, negotiating and preparing complex commercial agreeme...

Traci Bannister is a Family Lawyer and Family Law Mediator and is a partner at the firm Boyes Tiefenbach Bannister Family Law Counsel LLP in Calgary, Alberta. Traci practiced as an Attorney and Family Law Mediator in South Africa for 20 years before moving to Calgary in 2012. Traci requalified as a Barrister/Solicitor in Canada and was called to the Alberta bar in June 2015. Traci is experienced in helping clients reach resolutions of disputes in all areas of family law, such as parenting dis...

David F. Younggren, KC specializes in civil litigation. He joined Dunphy Best Blocksom LLP in 1988 after articling to Chief Justice Laycraft at the Alberta Court of Appeal. David became a partner in 1993 and has an established civil litigation practice including corporate contractual litigation, shareholder disputes, wrongful dismissal, real estate litigation, builders’ liens and collection matters. He has appeared in all levels of Court, including a successful appearance on a criminal ...

Wayne Fedun has practised oil and gas law in Canada and internationally since 1992. He has negotiated and prepared a variety of energy industry agreements, including joint venture agreements, project development agreements, project finance agreements, facility agreements, engineering, procurement and construction agreements, transportation agreements, marketing agreements, Canadian East Coast off-shore agreements and various South American and Central Asian agreements. These agreements relate...