Dr. Davis is an expert on competition damages actions, mergers and acquisitions, cartels, and market investigations. He is a former Deputy Chairman of the UK Competition Commission (CC), now a part of the UK Competition and Markets Authority (CMA).

Dr. Davis has provided written or oral testimony in matters before the UK Competition Appeal Tribunal (CAT), the High Court of England and Wales, the Directorate-General for Competition, the CMA, the CC, the Office of Fair Trading, the Financial Conduct Authority, and the Competition Commission of South Africa. His current caseload includes serving as the economic expert in several collective actions in the CAT as well as follow-on litigation in the High Court.

While serving as a Deputy Chairman of the CC, he was a member of its Council and served as the Inquiry Chairman for a variety of competition investigations, including Phase II mergers, regulatory investigations in telecoms and water, and the payment protection insurance (PPI) market inquiry.

Who’s Who Legal has listed him as a leading Competition Economist and Thought Leader, noting that clients and peers report he “is ‘top notch – a first-choice economist,’ providing skilled econometrics on cartel damages, investigations, and mergers.”

A widely published author, Dr. Davis has coauthored two books: Quantitative Techniques for Competition and Antitrust Analysis (Princeton University Press) and Damages Claims for the Infringement of EU Competition Law (Oxford University Press). He has also published research in numerous journals, including The Journal of Industrial Economics, the Journal of Econometrics, and the RAND Journal of Economics.

Prior to joining Brattle, Dr. Davis was the head of an international economic consultancy’s London office and European competition practice. He has also served on the faculty at the London School of Economics and the MIT Sloan School of Management. He is a former President of the Association of Competition Economics.


Yale University
PhD in Economics

University of Oxford
Mphil in Economics

London School of Economics
BSc in Statistics, First Class