John Sullivan has over twenty years of experience in litigation and economic consulting.

He has advised clients involved in antitrust, intellectual property, and commercial litigation matters in a wide variety of industries, including aggregates, automobiles, aviation, building materials, cellular technology, chemicals, grain transportation, microprocessors, and plastics additives.

Dr. Sullivan has designed and managed projects in support of expert testimony relating to lost profits, reasonable royalties, and class certification. He has advised clients in antitrust litigation matters involving claims of attempted monopolization, exclusionary conduct, tying, and unlawful leveraging of patent rights. He has also analyzed market definition, competitor conduct, and competitive effects in numerous mergers and acquisitions.

Dr. Sullivan has provided consulting expertise to law firms and corporate counsel regarding case development and strategy, discovery issues, deposition preparation, damages exposure, expert witness selection, and settlement evaluation.

Dr. Sullivan holds a doctorate in economics from George Mason University with a specialization in industrial organization, and his work has been published in numerous peer-reviewed academic journals.

Employment History

2007 – 2011
Senior managing economist
2001 – 2007

Capital Economics
Senior economist
1997 – 2001
1994 – 1997

Leeper, Cambridge & Campbell
Senior analyst
1989 – 1991
1987 – 1989

Areas of Expertise


George Mason University
PhD, Economics, 1995
MA, Economics, 1992
BS, Economics, 1987