J. Graham "Graham" Martinelli

Lucy L'Hirondelle is a litigator whose practice encompasses a broad range of commercial litigation matters and international arbitration with an emphasis on oil and gas litigation/arbitration, contractual disputes, management-side employment litigation. She also has experience conducting third-party investigations. Lucy has worked in the Calgary litigation group since 2012 and has appeared before all levels of court in Alberta, the Nova Scotia Supreme Court, and is familiar with Federal Court...

Dana attended the University of Toronto, receiving her Bachelor of Arts degree (Honours) before attending the University of Saskatchewan, receiving her Bachelor of Laws degree in 1992. Dana was called to the British Columbia bar in 1993 and practiced in Vancouver with the well-respected law firm, Hammerberg Lawyers LLP, after spending the early part of her career as in-house counsel. Dana successfully completed transfer examinations and was called to the Alberta bar in 2001, moving to Calgary...

Jonathan is an experienced civil and commercial litigator who advises clients on a broad range of matters, including commercial litigation proceedings, real estate disputes, estate litigation, insurance matters, and class actions. His practice crosses multiple industries, including construction, real estate, and oil and gas. With experience handling a breadth of cases, Jonathan advises on shareholder disputes, oppression remedies, professional negligence matters, complex commercial conflicts,...

Katharine Zhang is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Katharine practices law in Calgary, Alberta Best Lawyers has recognized Katharine Zhang since 2026. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Katharine Zhang is held by other lawyers.

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.

Geoff Poelman practises in the litigation group with a focus on complex commercial litigation within the energy industry, construction law, and insurance defence. He has been involved in matters at all levels of court in Alberta, having experience with proceedings including contractual disputes, statutory interpretation and negligence. Geoff has successfully managed multi-party actions with complex procedural issues, often participating in a variety of alternative dispute resolution processes...

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...

Gulu Punia is a leading commercial and employment litigator in Alberta, representing clients at all levels of Court in Alberta, including as lead counsel at trial before the Court of Queen's Bench. From shareholder disputes and oppression remedies, to fraud claims and claims for breach of contract, Gulu acts for clients in obtaining extraordinary remedies such as attachment orders and Anton Piller orders in cases involving fraud.

Rahim Vasanji is a member of Verjee Law’s Personal Injury and Litigation & Dispute Resolution Group , where he focuses on advocating for individuals who have suffered serious injuries. His practice is centered on personal injury and insurance disputes with additional experience in commercial litigation and corporate transactional matters. In his personal injury work, Rahim represents clients in motor vehicle accidents, catastrophic injury claims and fatality matters. He is committed...

Clay Jacobson is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Commercial Litigation and Energy Law. Clay practices law in Calgary, Alberta Best Lawyers has recognized Clay Jacobson since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Clay Jacobson is held by other lawyers.