Brett Duell

Managing Director
20+ years of experience
Specializes in financial due diligence for mergers and acquisitions
Supports private equity, venture capital, and corporate transactions
Sydney
@alvarezmarsal
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Brett Duell is a Managing Director with Alvarez & Marsal Global Transaction Advisory Group in Sydney. With over 20 years of professional experience, Mr. Duell specializes in financial due diligence for mergers and acquisitions, supporting private equity, venture capital, and corporate transactions.

Originally from the United States, Mr. Duell is a U.S. Certified Public Accountant (CPA). He has worked globally across Sydney, Silicon Valley, and Chicago, advising on cross-border transactions. Based in Sydney for the past 14 years, he combines a deep understanding of the local market with global transaction expertise. His international experience and focus on delivering value-driven outcomes make him a trusted partner to clients navigating complex financial landscapes.

Prior to joining A&M, Mr. Duell was a Partner at PwC in Australia, where he served as the Technology, Media, and Telecommunications Leader for the PwC Deals team in Australia. In this role, he led numerous high-profile transactions primarily focused on the software, digital infrastructure, technology, media, telco, and service sectors. His expertise encompasses buy-side and sell-side financial due diligence, deal structuring, initial public offerings, and post-merger integration.

Mr. Duell earned a bachelor’s degree in accounting and finance from Wright State University, Ohio. 

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Leading global professional services firm Alvarez & Marsal (A&M) announces the appointment of Sydney-based Brett Duell as a Managing Director within its Global Transaction Advisory Group (Global TAG).
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