Mary T. Coleman

Executive Vice President


Dr. Mary Coleman is an Executive Vice President at Compass Lexecon and is based in Boston, MA. Dr. Coleman received her Ph.D. in Economics from Stanford University. Dr. Coleman’s consulting practice specializes in the competitive analysis of mergers and acquisitions and joint ventures, and antitrust litigation, including class action certification issues. She has experience with a wide range of industries, including consumer products, retailing, distribution, food packaging, petroleum and natural gas, chemicals, coatings, industrial gases, concrete and cement, defense industries, telecommunication, publishing, newspapers, agricultural products, paper products, payment systems, pharmaceuticals, hospitals, physicians, medical devices, health care, computer hardware and software. She has made presentations before US and foreign antitrust authorities and submitted expert testimony in federal court. Mary has published a number of articles on topics such as antitrust analysis in high technology industries, the use of Merger Guidelines in various international jurisdictions, natural experiments, and the use of econometrics and other empirical methods in antitrust analysis.

From November 2001 until March 2004, Dr. Coleman was the Deputy Director for Antitrust in the Bureau of Economics of the Federal Trade Commission. In this role, Mary headed the antitrust group in the Bureau of Economics and was involved in all antitrust investigations at the FTC as well as several non-enforcement projects.  She managed the economic input into all antitrust cases and provided advice to the Bureau of Competition staff lawyers and management as well as to the Commission. The cases Mary supervised at the Commission  involved the broad spectrum of industries and antitrust issues including mergers, horizontal restraints, monopolization and vertical issues. During  her tenure at the FTC, Mary was  instrumental in the efforts in the Bureau of Economics to increase the empirical content of antitrust investigations at the FTC and to increase the cooperation between the economic and legal staffs. Dr. Coleman also worked extensively in the cooperative efforts between the FTC and the EU and other foreign jurisdictions.

From May 2004 to August 2009, Mary was a Managing Director at LECG, LLC. Mary also worked at LECG from 1993 to 2001 and was a Principal from 1999 to 2001. From 1990 to 1993, Dr. Coleman served as a staff economist at the Federal Trade Commission, including as lead economist on the Commission’s investigation of Microsoft.

  1. Education icon


    • PhD in Economics, Stanford University
    • BA in Economics, Stonehill College

Mary’s cases

Mary’s insights

A new version of Compass Lexecon is available.