Tully Lillis
Senior Vice President
Oakland
Tully Lillis is a Senior Vice President with Compass Lexecon based in Oakland, CA. Mr. Lillis specializes in applying economic and quantitative analysis to areas of competition and antitrust – being named one of Compass Lexecon’s Rising Stars in 2023. He has extensive experience in consulting to private companies and Federal agencies and has led engagement teams in support of experts on a wide variety of complex litigation and regulatory matters. While he has managed case teams in the evaluation of antitrust issues in a variety of contexts, his tenure has seen a particular focus on Private Party Antitrust Litigation, Antitrust Class Action, and Damages as applied to pharmaceuticals, vaccines, and PBMs. His case experience includes, among other things, the application of economics to issues of both single-firm monopolization as well as multi-firm conspiracies involving allegations of reverse settlement payments, product hopping, improper Orange Book listings, bundled product discounts, predatory pricing, and price fixing.
Through his work on these matters, Mr. Lillis has developed substantial institutional knowledge and familiarity of the competitive dynamics, industry data, and regulatory framework within the space. He has significant experience with complex data analyses, and the preparation of expert reports and testimony, in both deposition and trial settings. Having previously served as an analyst, senior analyst, economist, senior economist, and vice president at Compass Lexecon, Mr. Lillis’s background and experience allows for the efficient management of case teams across every facet of his engagements and facilitates quick identification and execution of key economic and analytical aspects of expert opinions.
In addition to pharmaceutical litigation, Mr. Lillis’s has led analyses of proposed mergers and of the competitive effects of business practices in a variety of industries including biological instrument manufacturing, consumer payment systems, aircraft manufacturing, collegiate and professional sports, energy generation, and electronics. As part of that work, Mr. Lillis has co-authored economic studies that were presented to U.S. antitrust enforcement agencies.
Prior to joining Compass Lexecon, Mr. Lillis received his BA in Economics with High Distinction from the University of California, Berkeley.
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Education
- BA in Economics, University of California, Berkeley