Five Secretariat experts have earned recognition in the Lexology Index 2026 Competition report for their work on complex antitrust and competition engagements.

Co-published with Global Competition Review, Lexology‘s Competition report is a trusted resource for identifying leading competition experts globally. The rankings are based on extensive research informed by feedback from clients and peers across the market.

Secretariat’s recognition in this esteemed report reflects the strength of our antitrust practice and competition practice, and the multidisciplinary expertise our professionals bring to every matter. Across industries and jurisdictions, our professionals are trusted to deliver rigorous economic analysis, persuasive testimony, and practical insights that help clients assess complex competition challenges with confidence.

Explore the Lexology Index 2026 Competition report to learn more, and read what clients and peers have shared about our experts below. 

Highly Recommended

• Philip Nelson (USA) brings a wealth of experience to competition economics, having worked on complex matters involving price fixing, mergers, and damages quantification. His practice includes expert testimony in disputes and analysis of market power and economic effects in regulatory proceedings, where sources note that “he can present the facts clearly and articulately.” 

• Keith Waehrer (USA) is a standout competition economist whose work covers agency investigations, merger reviews and expert testimony in both domestic and international proceedings. He is sought after by enforcers and private parties for “his invaluable skills” in high-profile antitrust investigations and litigation, where “he asks the hard questions and thinks months ahead to anticipate potential faults.” 

Recommended

• John R. Morris (USA) brings extensive experience in competition economics, focusing on the electric power and natural gas sectors, where he is held by respondents as “a go-to economist for electricity generation mergers.” Praised for “his vast knowledge and experience,” he has assessed regulated rates, consulted on numerous mergers and acquisitions and examined affiliate abuse and market manipulation issues. 

• Robert Stoner (USA) has advised on a wide range of antitrust matters before courts and regulators in the United States and internationally. His expertise extends across mergers, cartel allegations, intellectual property and regulated industry disputes. 

• Su Sun (USA) brings over two decades of experience to the field of competition economics, specializing in complex antitrust and intellectual property matters with a focus on China. He has served as an expert witness in more than ten Chinese courts and has been repeatedly retained by regulatory authorities for economic analysis in merger and acquisition reviews.