William B. Rosenberg

Partner

William Rosenberg

William B. Rosenberg

Partner

Clients turn to William to provide creative solutions in the context of their complex transactions in Canada. With over 30 years of experience, William is known as an expert strategist with extensive cross-border experience who has led numerous significant deals for his clients.

Public and private sector clients across diverse industries rely on William’s first-class technical capabilities, dedication and sophisticated handling of their transactions.

Highly regarded in the U.S. legal services market, William has the distinction of being the only non-U.S. lawyer to serve as Chair of the American Bar Association (ABA) Business Law Section, the largest specialty group within the ABA, with over 40,000 section members. William is also a past Editor-in-Chief of The Business Lawyer, an ABA publication and the premier peer-reviewed business law journal in the U.S.

William B. Rosenberg

Partner

Clients turn to William to provide creative solutions in the context of their complex transactions in Canada. With over 30 years of experience, William is known as an expert strategist with extensive cross-border experience who has led numerous significant deals for his clients.

Public and private sector clients across diverse industries rely on William’s first-class technical capabilities, dedication and sophisticated handling of their transactions.

Highly regarded in the U.S. legal services market, William has the distinction of being the only non-U.S. lawyer to serve as Chair of the American Bar Association (ABA) Business Law Section, the largest specialty group within the ABA, with over 40,000 section members. William is also a past Editor-in-Chief of The Business Lawyer, an ABA publication and the premier peer-reviewed business law journal in the U.S.

Alstom Transport Canada Inc.

Acting for Alstom Transport Canada Inc. in its role as lead member of the Groupe des Partenaires pour la Mobilité des Montréalais (Groupe PMM) consortium with SNC-Lavalin. Groupe PMM was the winning bidder for the provision of rolling stock and signalling, as well as operation and maintenance services, as part of the $6.3-billion Réseau express métropolitain (REM) infrastructure project in Montréal, Québec.

Return Path, Inc.

Acted for Return Path, an email deliverability firm, in the sale of its business to Validity, a specialist in customer data management.

IDEXX Laboratories, Inc.

Acted for IDEXX Laboratories, Inc. in its acquisition of Veterinarium Corporation, a cloud software provider for veterinary professionals.

S.A. Jarislowsky Investments Inc.

Acted for Stephen A. Jarislowsky and S.A. Jarislowsky Investments Inc., being the principal shareholders, in the $1 billion sale of Jarislowsky Fraser Limited, a leading independent investment firm with approximately $40 billion in assets under management at the time of the transaction, to Scotiabank.

Alstom Transport Canada Inc.

Acted for Alstom Transport Canada Inc. in connection with the supply of light rail vehicles for the Greater Toronto and Hamilton Area, to Metrolinx, an agency of the Government of Ontario, for a value of $529 million.

Sally Beauty Holdings, Inc.

Acted for Sally Beauty Holdings, Inc., the world's largest distributor and retailer of professional beauty products, in its acquisition of  H. Chalut Ltée, a Québec-based company in the hair care industry.

IFLR1000: The Guide to the World’s Leading Financial Law Firms—Mergers and Acquisitions

The Best Lawyers in Canada—Corporate Law; Mergers and Acquisitions Law; Securities Law

The Canadian Legal Lexpert Directory—Corporate Commercial Law; Corporate Mid-Market; Mergers and Acquisitions; Private Equity

Who’s Who Legal: Canada—Corporate Governance; Mergers and Acquisitions; Who’s Who Legal: Corporate—Corporate Governance; Mergers and Acquisitions

Martindale-Hubbell—AV Preeminent Ranking

Bar Admissions

Québec, 1989

Education

McGill University, BCL/LLB, 1988
McGill University, BA (with Great Distinction, University Scholar), 1984

Professional Affiliations

American Bar Association (ABA), Business Law Section, past Section Chair
ABA, Model Stock Purchase Agreement with Commentary (Second Edition), Editorial Group

Board Memberships

Segal Centre for Performing Arts

Clients turn to William to provide creative solutions in the context of their complex transactions in Canada. With over 30 years of experience, William is known as an expert strategist with extensive cross-border experience who has led numerous significant deals for his clients.

Public and private sector clients across diverse industries rely on William’s first-class technical capabilities, dedication and sophisticated handling of their transactions.

Highly regarded in the U.S. legal services market, William has the distinction of being the only non-U.S. lawyer to serve as Chair of the American Bar Association (ABA) Business Law Section, the largest specialty group within the ABA, with over 40,000 section members. William is also a past Editor-in-Chief of The Business Lawyer, an ABA publication and the premier peer-reviewed business law journal in the U.S.

Alstom Transport Canada Inc.

Acting for Alstom Transport Canada Inc. in its role as lead member of the Groupe des Partenaires pour la Mobilité des Montréalais (Groupe PMM) consortium with SNC-Lavalin. Groupe PMM was the winning bidder for the provision of rolling stock and signalling, as well as operation and maintenance services, as part of the $6.3-billion Réseau express métropolitain (REM) infrastructure project in Montréal, Québec.

Return Path, Inc.

Acted for Return Path, an email deliverability firm, in the sale of its business to Validity, a specialist in customer data management.

IDEXX Laboratories, Inc.

Acted for IDEXX Laboratories, Inc. in its acquisition of Veterinarium Corporation, a cloud software provider for veterinary professionals.

S.A. Jarislowsky Investments Inc.

Acted for Stephen A. Jarislowsky and S.A. Jarislowsky Investments Inc., being the principal shareholders, in the $1 billion sale of Jarislowsky Fraser Limited, a leading independent investment firm with approximately $40 billion in assets under management at the time of the transaction, to Scotiabank.

Alstom Transport Canada Inc.

Acted for Alstom Transport Canada Inc. in connection with the supply of light rail vehicles for the Greater Toronto and Hamilton Area, to Metrolinx, an agency of the Government of Ontario, for a value of $529 million.

Sally Beauty Holdings, Inc.

Acted for Sally Beauty Holdings, Inc., the world's largest distributor and retailer of professional beauty products, in its acquisition of  H. Chalut Ltée, a Québec-based company in the hair care industry.

IFLR1000: The Guide to the World’s Leading Financial Law Firms—Mergers and Acquisitions

The Best Lawyers in Canada—Corporate Law; Mergers and Acquisitions Law; Securities Law

The Canadian Legal Lexpert Directory—Corporate Commercial Law; Corporate Mid-Market; Mergers and Acquisitions; Private Equity

Who’s Who Legal: Canada—Corporate Governance; Mergers and Acquisitions; Who’s Who Legal: Corporate—Corporate Governance; Mergers and Acquisitions

Martindale-Hubbell—AV Preeminent Ranking

Bar Admissions

Québec, 1989

Education

McGill University, BCL/LLB, 1988
McGill University, BA (with Great Distinction, University Scholar), 1984

Professional Affiliations

American Bar Association (ABA), Business Law Section, past Section Chair
ABA, Model Stock Purchase Agreement with Commentary (Second Edition), Editorial Group

Board Memberships

Segal Centre for Performing Arts