The 2026 Top Consultants: Rahul Guha

Rahul Guha is the CEO of Cornerstone Research. A former cohead of the firm's antitrust and competition practice, he also founded the life sciences practice. Dr. Guha has nearly thirty years of experience applying economic analysis to high-profile antitrust, intellectual property (IP), and alleged product misrepresentation cases. He consults on regulatory inquiries, motion practice, and all phases of litigation and arbitral proceedings in the United States and international venues.

Working with counsel, he helps to develop economic and financial testimony for leading academic and industry experts. He served as a testifying expert in a landmark matter, Brown et al. v. Madison County, in which his analysis of racial profiling led to a historic consent decree. Among his professional honors, Dr. Guha was a finalist for the Entrepreneur Of The Year® Bay Area award in 2025. Dr. Guha has published articles on competition, IP issues in pharmaceutical and biologic drug markets, and analytic marketing techniques in litigation. He has presented on these topics at conferences and law firms in the United States and Europe. In addition, Dr. Guha has taught graduate-level courses at Cornell University, Dartmouth College, and the Indian School of Business.