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Photo of Zening  Li, PhD


Zening Li is a Senior Economist in the Antitrust and Competition Practice. She has experience analyzing the anticompetitive effects of horizontal and vertical mergers with both quantitative and qualitative methods. Dr. Li has worked on multiple antitrust matters across a wide variety of industries, including dairy, healthcare, industrial products, and telecommunications. Her own research focuses on consumer search behavior and lenders’ pricing and entry strategies in the US mortgage industry.


PhD, Economics, University of Illinois at Urbana-Champaign

BS, Economics and Mathematics, Nankai University

Selected Work

Selected Experience

  • On behalf of the New York State Attorney General, supported testifying economic experts in evaluating the competitive effects of the $26 billion Sprint T-Mobile merger
  • On behalf of UnitedHealth’s health services subsidiary Optum in its acquisition of DaVita Medical Group, assisted the expert with presentations and submissions to the Federal Trade Commission and several state Attorney General offices addressing potential horizontal and vertical concerns arising from the proposed transaction.
  • Supported the expert analysis of Dr. Cory Capps on behalf of the Washington State Attorney General’s office in its litigation effort to unwind CHI Franciscan Health’s acquisitions of two physician groups: WestSound Orthopaedics and The Doctors Clinic.
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