Gene Lash, MBA, CPA, CFF

Senior Director

Photo of Gene LashPhone: 925.359.3213
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Location: San Francisco Metropolitan Area

Gene Lash, Senior Director of Delta Consulting Group has over 30 years of experience assisting clients with forensic accounting and economic damage issues.  His expertise includes financial fact-finding, forensic accounting, quantification of damages and special purpose audits on a wide variety of construction and commercial related disputes. 

His construction experience includes quantifying extra work claims, delay and acceleration claims, disruption claims, lost profit claims and identifying the elements of false claims.  His commercial experience includes quantifying damages related to breach of contract, breach of fiduciary duty and patent, trade dress and trademark infringement.

Prior to joining Delta, he was a Director with an international consulting firm and a Senior Manager with a “Big 4” public accounting firm.  He has testified in both state and federal courts, in AAA and JAMS arbitrations and in various mediations and negotiations. 

Selected Project Experience
  • Provided expert rebuttal testimony and quantified damages for extra work and delay resulting from the construction of a bio-mass power plant on the island of Kauai.
  • Provided expert rebuttal testimony and quantified delay, acceleration and inefficiency damages resulting from 4 years of both in-water and out-of-water construction of a $60 million bridge in Redding, California.
  • Provided expert testimony on lost profits associated with the development of 49 single family homes in Southern California.
  • Provided expert testimony on delay, inefficiency and extra work damages associated with the construction of a 5 mile fiber optic cable installation in Fresno, California.
  • Provided expert testimony to over $30 million of damages associated with the termination of a design build contractor on a Southern California hospital replacement project under OSHPD jurisdiction.
  • Provided expert rebuttal testimony on damages sought by a joint venture for unpaid contract balance, disputed change order requests, extended home office overhead and consequential damages, resulting in a favorable jury verdict.
  • Prepared expert damage reports associated with patent, trade dress or trademark infringement for the following products: video games, rock climbing shoes, designer sunglasses, women’s apparel stores, therapeutic hand putty, animal harnesses, and internet computer hardware distribution companies.
  • Prepared an expert damages report quantifying for over $380 million of lost profits and additional costs associated with the failure of a headrace tunnel on a hydroelectric project in Panama, which resulted in a favorable settlement.
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University of California, Berkeley  MBA, 1993

University of California, Berkeley
B.A. Economics and Applied Mathematics, 1987


Certified Public Accountant (CPA)

Certified in Financial Forensics, (CFF) American Institute of Certified Public Accountants


Who’s Who Legal: Construction 2017, 2018, 2019, 2020

Who’s Who Legal: Consulting Experts, Construction Quantum and Delay 2017, 2018


Construction Fraud Experts in Expert Witnesses: Construction Cases, published by Thomas Reuters WESTLAW, 2013