Greg Thaler is a forensic accountant with 25 years of experience quantifying lost earnings and economic damages in litigation matters and preparing large, complex property and business interruption insurance claims.

He serves as the Global Leader of BRG’s Business Insurance Claims practice.

On litigation matters, Mr. Thaler has calculated economic damages in matters involving breach of contract, product defects, construction, wage and hour, real estate, environmental pollution, business interruption, fraud, intellectual property, and other issues. He has testified in trials and depositions, including two high-profile cases, in each of which he quantified over $900 million in damages.

On insurance claims matters, Mr. Thaler has quantified billions of dollars in property and business interruption claims on behalf of clients, including claims resulting from fires, hurricanes, earthquakes, floods, typhoons, acts of terrorism, and other catastrophes. He has also prepared large cyber-crime/data breach, builders’ risk, product recall, and product liability claims.

He has prepared claims on behalf of clients for incidents around the world, including losses in Japan, Taiwan, Singapore, Thailand, Brazil, Angola, the United Kingdom, the European Union, Canada, and the Caribbean.

Before joining BRG, Mr. Thaler was a senior managing director in the Forensic and Litigation Consulting group and global leader of the insurance claims practice at a global business advisory firm. He was also previously a director in the Financial Advisory Services group and associate national director of the Business Insurance Claims practice at a Big Four audit, consulting, tax, and advisory services firm.

Employment History

FTI Consulting
Senior managing director
2011 – 2017

Managing director
2004 – 2011

Deloitte & Touche
1997 – 2004

Price Waterhouse
1994 – 1997

Professional Affiliations

Risk & Insurance Management Society (RIMS)

American Bar Association (non-attorney member)

Risk Management Forum

Areas of Expertise


Cornell University Johnson Graduate School of Management
MBA, Finance and Accounting

Cornell University
B.A., Economics


Who’s Who Legal: Global Leader, Insurance & Reinsurance Expert Witnesses 2020

“Gregory Thaler is a celebrated expert with 25 years of experience quantifying losses and damages, as well as preparing property and business interruption insurance claims.”