University of Calgary, Juris Doctor


University of Calgary, BA, Philosophy


Mount Royal University, Diploma in Jazz Performance

David Marshall

David joined JSS in 2016, having previously articled and worked as an associate at a large national law firm, practicing in general civil litigation. David practices in most areas of civil litigation, with a focus on corporate and commercial litigation, administrative appeals, professional negligence and discipline, and employment law. David has represented clients before all levels of Court in Alberta.

David obtained his J.D. from the University of Calgary in 2014. During his studies, David earned a number of awards and scholarships, including for highest standing in property law and advanced oil and gas law, and twice made the Dean's List. David also volunteered at Student Legal Assistance.

Prior to law school, David obtained a Diploma in Jazz Performance from Mount Royal University. David spent a number of years playing and teaching music in the Calgary area. David also obtained a Bachelor of Arts in Philosophy (with distinction) from the University of Calgary.

When not practicing law, David is spending time with his family, enjoying the local culinary scene, or golfing, and is involved in several ongoing musical endeavours. David is a proud Calgarian, his family roots stretching back in southern Alberta for more than 100 years, and a lifelong fan of the local hockey team.


David has a general civil litigation practice. David has experience in professional negligence, academic and professional accreditation review and appeals, shareholder litigation, corporate and investment fraud, contractual disputes, personal injury and medical malpractice, and employment law.


"The Uber Decision: Justice Come Heller High Water? Litigating Unconscionability"

JSSBarristers.ca, July 14, 2020
Co-Author (with Bryan C. Duguid QC, FCIArb)

"The Uber Decision: Justice Come Heller High Water? Improvident Bargain"

JSSBarristers.ca, July 8, 2020
Co-Author (with Bryan C. Duguid QC, FCIArb)

"The Uber Decision: Justice Come Heller High Water? Unequal Bargaining Power"

JSSBarristers.ca, July 2, 2020
Co-Author (with Bryan C. Duguid QC, FCIArb)

"Recent Amendments to the Rules of Court"

JSSBarristers.ca, April 1, 2020