Patrick Mah

I am an arbitrator, mediator, and litigator and have practiced from Calgary, Canada, for over 30 years. My full biography is available on my firm's website at: https://jssbarristers.ca/litigators/sabri-m-shawa/

Caireen Hanert is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Corporate and Commercial Litigation. Caireen, 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 Caireen is held by other top lawyers in the same geographic and legal practice area.

Peter Hryniuk is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Peter, who practices law in Calgary, Alberta, has been recognized since 2012. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter is held by other top lawyers in the same geographic and legal practice area.

Matthew Longstaff has extensive experience advising investment banks, sovereigns, private equity houses and corporate clients in a broad range of cross‑border debt financings, including high‑yield bonds, leveraged bank finance, syndicated and bilateral bank financings, project financings, convertible and exchangeable bonds, sovereign bonds, hybrid capital issuances, consent solicitations, and securitizations, as well as advising on restructurings and in distressed debt scenarios. In addition,...

Jeffrey D. Wise K.C. is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Jeffrey D., 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 Jeffrey D. is held by other top lawyers in the same geographic and legal practice area.

James’ practice involves all aspects of corporate restructuring and insolvency law. He regularly advises clients in reorganizations pursuant to Canadian insolvency statutes, corporate arrangements, receiverships, bankruptcies, security reviews and enforcement proceedings. He frequently represents debtor companies, secured and unsecured creditors, plan or proposal sponsors, purchasers and court officers in domestic and cross-border cases. James strives to work collaboratively with client...

Roxanne was called to the New Brunswick and Ontario Bars in 2003. She practiced in New Brunswick and then Ontario before settling in Calgary and joining Carbert Waite LLP in 2008. Roxanne became a partner in the firm in 2013. She practices litigation with a focus on employment law, including human rights, privacy, and occupational health & safety matters. Roxanne represents both employers and employees in a wide range of complex employment law matters. Roxanne’s employment practice ...

Alex practices general commercial and civil litigation and advises clients with respect to a broad range of individual and corporate disputes, including contractual disputes, insurance matters, and tort-based claims. She also has extensive experience in construction matters, particularly with builders’ liens and delay claims. Alex has represented clients in the Alberta Court of Justice (formerly Provincial Court) and the Court of King’s Bench of Alberta, as well as in commercial a...

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...

Kevin Johnson’s practice focuses on corporate and securities law matters, acting for a variety of participants in capital markets transactions. He has acted for issuers, selling shareholders, independent committees of boards of directors and investment dealers in public and private offerings of securities, related-party transactions, corporate reorganizations and mergers and acquisitions. Mr. Johnson has significant experience in cross-border public offerings and both friendly and hosti...