Joanna Tsai

Joanna Tsai

Vice President

Joanna Tsai is a Vice President in the Antitrust & Competition Economics Practice of Charles River Associates in Washington, DC.  She has over 15 years of experience in antitrust and intellectual property matters, and has held positions in private practice, academia, and government.  Dr. Tsai served as economic advisor to Commissioner Joshua Wright at the Federal Trade Commission from 2013-2015 and advised on a broad range of competition, intellectual property, and consumer protection issues.  She is a frequent speaker at academic and industry conferences and has published articles in the Antitrust Source, Antitrust Bulletin, Antitrust Magazine, and the Antitrust Law Journal

Dr. Tsai has also served as faculty at Stanford University’s Hoover IP Squared Summer Institute, visiting professor at the University of Puerto Rico School of Law, and is currently adjunct professor at the Scalia Law School of George Mason University.  She holds a PhD and MA in Economics from Cornell University, and is Co-Chair of the Mergers and Acquisitions Committee of the American Bar Association's Section of Antitrust Law.

GCR’s Who’s Who Legal ranked Dr. Tsai as the #1 “most highly regarded” competition economist in North America , and recognized her as a Future Leader (under 45 years old) in the Competition Economist category in 2017, 2018 and 2019.  One of the sources GCR interviewed noted that “Joanna offers a great balance of being insightful in her analysis, practical in her dealings with clients and clear in her advocacy.” 

Dr. Tsai’s consulting practice includes advising clients on the competitive and economic implications of mergers and acquisitions and analyzing the economic aspects of antitrust claims in a variety of industries, including: 

  • Chemicals
  • Retail – Supermarkets; Pharmacies
  • Medical Devices
  • Digital Promotions
  • Industrial Gas
  • Pharmaceuticals
  • Industrial/Construction Product Manufacturing
  • Gaming/Hospitality
  • Financial Services
  • Consumer Products

Dr. Tsai’s recent engagements include:

  • Economic expert for a large multinational corporation’s acquisition of a medical device business from another multinational pharmaceutical company  
  • Consulting expert for Evonik’s acquisition of PeroxyChem’s hydrogen peroxide and peracetic acid business
  • Economic expert for merger between two digital promotion network and data analytics businesses
  • Economic expert for the Linde Group, the largest industrial gas company, in the U.S. and China, in the Linde – Praxair merger


PhD, Economics, Cornell University
MA, Economics, Cornell University
BA, Economics, University of California, Irvine