Six Cornerstone Research Experts Receive 2025 Lexology Client Choice Recognition

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Leading experts across a range of practice areas are named in Lexology’s annual list focused on outstanding client service.

Cornerstone Research academic experts and consulting professionals are recognized for their ability to deliver exceptional value to clients. Lexology Client Choice recognitions are nominated exclusively by corporate counsel and encompass a wide range of countries and disciplines. Winners are selected according to their expertise, industry knowledge, strategic thinking, effective communication, and ethics, among other attributes.

Noted for “the excellent client care they provide and the quality of their service,” the following six experts—five in the United States and one in Argentina—have been named to the 2025 Lexology Client Choice lists:

Academic experts
Consulting professional

Lexology Index (formerly Who’s Who Legal) combines extensive research with objective case analysis to select a unique set of recommended experts across 150 countries and 80 work areas.

Kenneth G. Elzinga

Robert C. Taylor Professor of Economics,
University of Virginia;
Senior Advisor, Cornerstone Research

Esteban Greco

Former President, Comisión Nacional de Defensa de la Competencia (CNDC), Argentina;
Director, GAMES Economics

Gautam Gowrisankaran

Professor of Economics,
Columbia University;
Senior Advisor, Cornerstone Research

Peter C. Reiss

MBA Class of 1963 Professor of Economics, Emeritus
Stanford Graduate School of Business;
Senior Advisor, Cornerstone Research

Gregory L. Rosston

Gordon Cain Senior Fellow,
Stanford Institute for Economic Policy Research (SIEPR);
Director, Stanford Public Policy Program;
Professor of Economics (by courtesy),
Stanford University

  • Chicago

Bryan M. Ricchetti

Senior Vice President