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William G. Hamm

William G. Hamm

Economics

Washington, District of Columbia
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Expert Details

William G. Hamm, Ph.D., is a Managing Director at Berkeley Research Group, LLC, specializing in economic analysis and expert testimony in high-stakes litigation. With over three decades of experience as an economics consultant, he has been retained in more than 40 complex cases across banking, financial services, mortgage lending, and public finance. His consulting practice builds on prior leadership roles at LECG, LLC, and Bill Hamm & Associates.

Dr. Hamm has provided trial testimony and expert reports in federal and state courts, as well as arbitration proceedings. His casework includes damage claims ranging from tens of millions to several billion dollars. Notable engagements include testifying in Wells Fargo v. United States, California Federal Bank v. United States, and multiple class actions involving loan servicing and consumer financial practices.

He has been retained by both private and government clients, including the FDIC, the Consumer Financial Protection Bureau, and the Department of Justice. His testimony frequently involves damages quantification, regulatory impact assessments, and evaluation of financial practices.

Dr. Hamm holds a Ph.D. and M.A. in Economics from the University of Michigan and an A.B. in Government from Dartmouth College. His career includes prior service as a government official and business executive.

A previous Expert Challenge Study on William G. Hamm revealed:

Total Challenges1
Direct Challenges1
Indirect Challenges 0
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