Alyssa is a litigation and dispute resolution lawyer with a practice focused primarily in the areas of civil litigation and administrative law.

Alyssa is a Partner at TDS with a practice focused primarily in the areas of civil litigation and administrative law. Alyssa has experience in a broad range of practice areas including negligence, insurance law, personal injury, civil sexual assault claims, contractual disputes, and criminal matters.
Alyssa has appeared as counsel before the Provincial Court of Manitoba, the Manitoba Court of Queen’s Bench, the Manitoba Court of Appeal, the Alberta Court of Queen’s Bench, and assisted on an appeal to the Supreme Court of Canada in 2018. Alyssa also represents clients in mediations and arbitrations before administrative tribunals.
J.D., University of Manitoba, 2015
B. Comm. (Hons.), University of Manitoba, 2010
Manitoba, 2016
Benchmark Litigation Canada
Academic Awards
Mooting & Competitions
Participant, Laskin Administrative Law Moot (2014)
As the COVID-19 pandemic stretches on, and the restrictions surrounding self-isolation, quarantine, and physical distancing remain in place, many Manitobans are frustrated by the inability to leave their homes, visit… Learn More
DATE: Friday, January 24, 2025 TIME: 8:30 a.m. – 11:30 a.m. CST (3 hours) Description TDS lawyers Andrew Sain and Alyssa Mariani will be instructing the Winnipeg Construction Association course “Builders’… Learn More