Brian J. Thiessen KC

Dereck is a senior family law lawyer, having practiced exclusively in this area since being called to the Alberta Bar in 1995. Dereck holds a B.A. (Hons.) from McGill University followed by his L..L.B. from the University of Alberta. As a skilled litigator, he has appeared successfully at all levels of court in Alberta as well as in numerous arbitrations. Dereck also has extensive experience in negotiating settlements and drafting agreements. He applies a reasoned approach to his files and en...

Melissa became a member of the Law Society of Alberta in 2004. After her articles, Melissa participated in a Canadian Bar Association internship in Tanzania. During this internship, she assisted the Legal and Human Rights Centre in Dar es Salaam with promoting awareness on various critical human rights issues. Melissa joined Carbert Waite LLP in 2006, and became a partner in 2017. Melissa practices in all areas of civil and commercial litigation. Melissa’s primary practice areas are emp...

Andrew Burt is a banking & finance lawyer in Fasken’s Calgary office advising a wide range of borrowers and lenders in debt financing transactions including acquisition financing, project financing, asset-based lending, first and second lien credit facilities and bridge loans. Andrew advises clients in a variety of industries including oil and gas, insurance and real estate. Andrew has experience advising clients in the areas of corporate finance, M&A, private equity and venture...

Gregory F. Peterson is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law and Private Funds Law. Gregory F., who practices law in Calgary, Alberta, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory F. is held by other top lawyers in the same geographic and legal practice area.

Eleanor is a partner at Carbert Waite and chair of the Trusts and Estates group. She is a recognized wills and estates lawyer who takes a forward-thinking approach to the practice of estate law. From personal estate planning to navigating high-conflict estate disputes, Eleanor is committed to empowering her clients during the legal process. Eleanor has obtained the Trust and Estate Practitioner (TEP) designation by STEP Canada, which demonstrates her advanced understanding of the trust and es...

Brendan’s practice is focused on mergers, acquisitions and project development. Clients value Brendan for his experience acting for public and private companies on a broad range of complex transactions and commercial arrangements. Frequently acting on domestic and cross-border merger and acquisition transactions, including share and asset purchases and sales, Brendan also advises on joint ventures, partnerships, project development and commercial arrangements and corporate reorganizatio...

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 is a partner at Carbert Waite and co-chair of the firm’s commercial litigation and condominium practice groups. Michael has represented clients in the Court of Queen’s Bench of Alberta, the Provincial Court of Alberta, and in mediations and arbitrations. He enjoys appearing in Court when necessary, but focuses on finding economic and sensible solutions for his clients and works tirelessly to pursue their rights.

Jamie Flanagan is an experienced advocate who has guided his clients through difficult times for more than 30 years. Focusing on civil litigation, he handles commercial and construction litigation, employment law disputes, and estate litigation. When a matter proceeds to trial, Jamie has the litigation experience to aggressively and thoroughly pursue his clients' interests. He has appeared before the provincial, superior, and appeal courts of Alberta, British Columbia, and Saskatchewan on a w...

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.