J. Sébastien A. Gittens

With decades of experience in labour and employment law, John Batzel is your go-to advisor for all things related to the employment relationship. From contract negotiation to wrongful dismissal claims, his practical approach helps avoid or resolve problems efficiently. He has also advised purchasers and sellers on employment and labour matters of all sizes, including complex mergers, acquisitions, and restructurings. ­­­­John has extensive courtroom experience across multiple ...

Shannon Hayes, KC, practices commercial litigation and arbitration and is the Leader of the Litigation & Dispute Resolution Group in the firm’s Calgary office. She has been practicing for more than 20 years in dispute resolution and has a broad range of experience on commercial and business dispute matters, working with companies in a wide range of industries, including energy, power, real estate, and technology. Shannon has appeared as counsel before all levels of court in Alberta ...

Nancy's practice focuses primarily on the tax aspects of mergers, acquisitions and reorganizations, including cross-border transactions or financings and intragroup restructurings. She is particularly experienced in the area of resource taxation. Nancy has worked on a wide variety of transactions for multinationals, private companies, senior, intermediate and junior resource issuers and private equity groups.

Ben Hudson is a lawyer recognized by Best Lawyers in the practice areas of Tax Law and Trusts and Estates. Ben practices law in Calgary, Alberta Best Lawyers has recognized Ben Hudson 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 Ben Hudson is held by other lawyers.

Warren P. Foley is a lawyer recognized by Best Lawyers in the practice area of Construction Law. Warren P. practices law in Calgary, Alberta Best Lawyers has recognized Warren P. Foley 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 Warren P. Foley is held by other lawyers.

Steve R. Will is a lawyer recognized by Best Lawyers in the practice areas of Corporate Law and Mergers and Acquisitions Law. Steve R. practices law in Calgary, Alberta Best Lawyers has recognized Steve R. Will since 2024. 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 Steve R. Will is held by other lawyers.

Craig Gillespie is a founding partner of Cuming & Gillespie LLP . He is a leading personal injury, class action, and medical malpractice lawyer with a proven track record of success. With decades of experience representing clients throughout Western Canada, he has secured multi-million dollar settlements and verdicts in complex cases. Craig has been consistently recognized for his exceptional work, including being named medical malpractice lawyer of the year. Beyond his legal practice, Cr...

Emi R. Bossio is a lawyer recognized by Best Lawyers in the practice areas of Alternative Dispute Resolution, Appellate Practice, Corporate and Commercial Litigation, Labour and Employment Law and Product Liability Law. Emi R. practices law in Calgary, Alberta Best Lawyers has recognized Emi R. Bossio since 2014. 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 wh...

Zafar Jaffer is a lawyer recognized by Best Lawyers in the practice area of Mergers and Acquisitions Law. Zafar practices law in Calgary, Alberta Best Lawyers has recognized Zafar Jaffer 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 Zafar Jaffer is held by other lawyers.

Glenn now practices in the areas of administrative law and civil litigation, focusing on corporate, commercial and contract litigation (including corporate and securities disputes, oil and gas litigation, contract disputes, commercial landlord and tenant disputes, land disputes, employment litigation and debt collection), wills and estates litigation, Securities Act and Alberta Securities Commission proceedings, Judicial Review hearings, real estate litigation, serious personal injury, profes...