Kostis Hatzitaskos Cornerstone Research


Kostis Hatzitaskos coheads Cornerstone Research’s antitrust and competition practice. He focuses on antitrust and competition matters, spanning both merger reviews and litigation matters. Dr. Hatzitaskos is an industrial organization economist with a specialization in econometrics. He has extensive experience leading case teams on high-stakes matters involving complex statistical analysis of large proprietary datasets. Dr. Hatzitaskos has worked on matters in multiple industries, including distribution, food and agriculture, high-tech consumer products, information technology, telecommunications, semiconductors, and financial services. He has experience in all phases of the merger review and litigation process and has taken multiple cases through trial. Dr. Hatzitaskos has also worked on intellectual property matters requiring substantive economic analysis. He is a former student of the University of California, Berkeley (Ph.D. and M.A.) and the University of Warwick (B.Sc.).

2022 Awards


Nominee, 2022 Antitrust Writing Awards: Business, Economics

Nominee, 2018 Antitrust Writing Awards: Business, Mergers

Nominee, 2016 Antitrust Writing Awards: Business, Mergers

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