Larry Chiagouris

Larry Chiagouris, Ph.D., M.Phil., A.P.C., M.B.A., B.S. is a marketing and advertising expert specializing in intellectual property and consumer behavior litigation. With a unique combination of academic and executive experience, he brings a dual perspective of scholarly insight and practical industry application to his litigation work. His work centers on investigating consumer behavior, assessing brand management practices, and evaluating the impact of advertising strategies.

Mr. Chiagouris has been retained in numerous expert witness and consulting engagements across the United States and Canada, involving cases related to defamation, intellectual property, false advertising, and consumer protection. His Ph.D. in Marketing and Buyer Behavior, along with certifications in Google Analytics, Social Media, and Statistics, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving marketing and advertising practices.