
Prior to her entry into the legal profession, Mamie Jackson-O’Neil worked for several years in Toronto’s capital markets sector for a major global financial institution. Admitted to the bar in 2025, she now leverages her real-world industry background to bridge the gap between complex transactions, corporate strategy, and securities law
Prior to her entry into the legal profession, Mamie Jackson-O’Neil worked for several years in Toronto’s capital markets sector for a major global financial institution. Admitted to the bar in 2025, she now leverages her real-world industry background to bridge the gap between complex transactions, corporate strategy, and securities law as an associate at PJS Law. Prior to joining PJS Law Corporation, Ms. Jackson-O'Neil worked at the TMX Group and she brings invaluable securities regulatory expertise to the clients of the firm.
Outside of work, Mamie enjoys sudoku, photography, scrapbooking, swimming and spending time with her family and friends
Email: mamie@pjslawcorporation.ca
Phone: 647-633-3514
Ms. Jackson-O’Neil earned her J.D. from the University of Ottawa in 2024 and her Hon. B. Mgt. and B.A. in 2013 and 2010 respectively from the University of British Columbia.
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