Prema K. R. Thiele

Cheffe de groupe nationale, Droit des sociétés et marchés financiers

[email protected]

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Prema’s corporate and commercial practice focuses on securities law, insurance business law and mergers and acquisitions.

She helps a diverse group of clients with ongoing legal and compliance issues related to providing investment management services, distributing securities, and establishing and operating investment products in Canada.

Prema was selected as one of the Women’s Executive Network 2020 Top 100 Most Powerful Women in Canada - CIBC Executive Leaders award for her work leading a multidisciplinary legal team.

Prema is also a member of BLG’s partnership board. 



  • Acted for BNY Mellon Wealth Management, Advisory Services, Inc. in its sale to Guardian Capital Group (TSX: GCG).
  • Advised Franklin Templeton (NYSE:BEN), a global investment management organization, in its acquisition of Legg Mason, Inc. (NYSE:LM).
  • Represented Virtu Financial (NASDAQ: VIRT), a leading provider of financial services and products that leverages cutting-edge technology, in its  sale of MATCHNow marketplace to Cboe Global Markets.
  • Advises domestic and foreign investment advisers, dealers and fund managers on conducting business in Canada (including registration under provincial securities legislation and membership in self-regulatory organizations).
  • Conducts independent audits of governance structures and compliance procedures and advises and trains securities registrants on their design and assessment and how to strengthen compliance (including with respect to anti-money laundering).
  • Advises on investment funds, including pooled-fund products, private placement of non-Canadian investment funds (including hedge funds), and investment management structuring issues.
  • Acts on acquisitions in a variety of areas, including those involving advisers, dealers, fund managers, insurers, and insurance brokers, and in the building-product manufacturing, funeral services and automotive industries.
  • Provides ongoing legal advice on insurance regulation and corporate governance issues to several insurers and insurance intermediaries.

Beyond our Walls

Professional Involvement

  • Former Member, Ontario Securities Commission Registrant Advisory Committee (2012-2019)
  • Member, Ontario Bar Association
  • Member, Toronto Region Board of Trade
  • Member, The National Club

Community Involvement

  • General manager and Assistant Coach of the Royal York Cardinals Midget/Varsity Boys Select Baseball Team
  • Member of the Executive Board of the Humber Valley Hockey Association

Awards & Recognitions

  • Selected by peers for inclusion in the 2024 edition (and since 2011) of The Best Lawyers in Canada® (Mutual Funds Law) and from 2011 to 2021 (Securities Law).
  • Recognized in the 2024 (and since 2016) edition of Chambers Canada — Canada's Leading Lawyers for Business (Investment Funds (Nationwide)).
  • Recognized in every edition of The Canadian Legal Lexpert® Directory (Investment Funds and Asset Management) since 2012, and in the 2023 edition (Corporate Commercial Law; Mergers & Acquisitions)
  • Selected as one of the Women’s Executive Network 2020 Top 100 Most Powerful Women in Canada - CIBC Executive Leaders award.
  • Recognized in the 2022 edition (and since 2021) of IFLR1000 (Investment Funds)

Bar Admission & Education

  • Ontario, 1992
  • LLB, Université de la Saskatchewan, 1990 (Dist.)
  • B.Comm., Université de la Saskatchewan, 1990 (Dist.)