The Brattle Group Expands Its Commercial Litigation and Regulatory Expertise in Sydney with the Addition of Hans Weemaes

SYDNEY, March 25, 2025 /PRNewswire/ -- The Brattle Group has welcomed Hans Weemaes as a Principal in the firm's Financial Services & Markets and Regulatory Investigations & Enforcement practices. A former economist for Australia's Federal Treasury, Mr. Weemaes brings over two decades of experience advising clients on complex commercial litigation, shareholder disputes, and regulatory investigations.  

Hans Weemaes | Principal | The Brattle Group

Specializing in applying economic and managerial accounting frameworks to issues arising in litigation, Mr. Weemaes has consulted on a wide range of matters, from large-scale shareholder litigations and class actions to M&A investigations and contractual disputes. His clients have included Australian and US state and federal government agencies, lawyers, nonprofits, multilateral organizations, and corporations.

"This is an exciting time for our Sydney office. With his broad securities expertise, extensive data analytics work, and experience consulting for lawyers, regulators, and corporations, Hans will be a tremendous asset to Brattle's clients in the Asia-Pacific region. He brings strong leadership and a stellar client service mindset," said Torben Voetmann, Brattle President & Principal.

Mr. Weemaes has served as an expert witness in numerous securities class actions and arbitrations in Australia and the United States, including in complex matters involving reparations and mutual funds. His expertise extends to cost allocation and estimation, but-for cost and profit estimates, excessive fees and predatory pricing, causation and economic damages analyses, financial forensic analysis, and data analytics.

"I am excited to join a world-class commercial litigation practice and look forward to bringing further value to clients in Australia and beyond," said Mr. Weemaes. "I am excited to collaborate with my new colleagues and expand the depth and breadth of Brattle's Sydney office."

Mr. Weemaes is a Chartered Financial Analyst and Certified Management Accountant. Prior to joining Brattle, he was a Director, Head of Economics & Data Analytics at a forensic accounting firm in Brisbane, and he previously worked at an international economics consultancy in the US. He began his career as a Trade Specialist at Australia's Department of Foreign Affairs and Economic Analyst for the Federal Treasury.

To learn more about Mr. Weemaes, please see his full bio at https://www.brattle.com/experts/hans-weemaes/.

ABOUT BRATTLEThe Brattle Group answers complex economic, finance, and regulatory questions for corporations, law firms, and governments around the world. We are distinguished by the clarity of our insights and the credibility of our experts, which include leading international academics and industry specialists. Brattle has 500 talented professionals across four continents. For more information, please visit brattle.com.

The Brattle Group

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