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Seasoned M&A Tax Due Diligence Veteran Jim Kelleher Joins GA Group

Westlake Village, CA - September 29, 2026 - Great American Holdings, LLC ("GA Group"), a provider of financial advisory, valuation, asset disposition, investment banking, and lending services and majority-owned by funds managed by Oaktree Capital Management, L.P. ("Oaktree"), today announced that Jim Kelleher has joined GA Group as a Senior Advisor.

Through Acquisition Tax Advisors, LLC, Jim Kelleher will provide state and local tax due diligence services alongside Ryan Irby and GA Group's established Quality of Earnings team. The engagement expands GA Group's ability to provide clients with integrated financial and tax diligence support throughout the transaction lifecycle.

Jim has over twenty-nine years of Federal and State Tax Experience with a focus on Mergers and Acquisitions, and more than nineteen years with Big Four firms, as well as corporate experience with Oil & Gas and software industries.

Jim Kelleher,
Senior Advisor, Advisory & Valuation Services

Throughout his career, Jim has led tax due diligence on more than 3,000 transactions, ranging from multimillion-dollar deals to a $60 billion transaction. He has advised clients in healthcare, technology, financial services, manufacturing and distribution, construction, energy, and telecommunications, among other sectors.

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Curt Germany, Jr.,
Senior Managing Director, Financial Advisory Services

His experience encompasses state income and franchise tax; non-resident withholding for pass-through entities; and sales and use tax compliance, consulting, systems, and audits. He also advises on a broad range of transaction-related state and local tax matters, including property tax, employment tax, excise tax, real estate transfer tax, and unclaimed property.

"We are excited to welcome this additional depth of tax diligence experience to GA Group," said Curt Germany, Senior Managing Director, Financial Advisory Services. "This addition strengthens our ability to deliver comprehensive, deal-focused insights and enhanced value to our clients."

Jim holds a B.B.A. in International Business from the University of Georgia, a J.D. from Western New England University, and an LL.M. in Taxation from Georgetown University Law Center.

About GA Group

GA Group is a privately held global firm offering a comprehensive set of tailored solutions to meet our clients' diverse needs. Our experts provide advisory and valuation services, as well as monetize, lend against, and acquire assets across a broad range of sectors from both healthy and distressed companies. GA Group and its predecessors are celebrating 50 years of customer service, and the company's leadership has over 100 years of collective experience in the industry. GA Group is majority-owned by funds managed by Oaktree Capital Management, L.P. For more information, please visit www.gagroup.com.

Media: marketing@gagroup.com

Source: GA Group