Chuhang Yin Geissler, PhD

Chuhang Yin Geissler is a skilled economist who combines data-driven analysis with a meticulous review of case materials to develop holistic and empirically grounded models that guide actionable client recommendations. Even when minimal or no data are available, Chuhang leverages industry materials and case documents to unpack complex case concepts and craft effective strategies. She specializes in economic analysis in competition- and consumer protection-related matters, with experience that has spanned a range of industries, including ad tech, automobile, agriculture, healthcare, e-commerce, and gasoline.

At Bates White, Chuhang actively contributes to advancing the firm’s economic expertise. She regularly presents at the Econometric Reading Group, where she discusses recent econometric research with practical applications for economic consulting. Additionally, she has spearheaded the firm’s High-Performance Computing (HPC) training initiatives, including the launch of Bates White's first firmwide HPC training, which received strong attendance and positive feedback.

Chuhang earned her PhD from Duke University, where she taught graduate courses on R programming and project management. Her dissertation research, published in the Annals of Economics and Statistics, quantified how religious preferences influence residential choices and inequality in Scotland. Beyond her dissertation work, Chuhang has conducted research on topics such as individual valuations for public transit and air quality.

PhD, Economics, Duke University

MA, Economics, Duke University

BA, Economics, University of Hong Kong

• In State of Colorado ex rel. v. The Kroger Co. et al. and State of Washington v. The Kroger Co. et al. supported the expert on behalf of plaintiffs in their efforts to block Kroger Co.’s proposed merger with Albertsons.
• On behalf of the consumer class in Klein et al. v. Meta, supported the expert through modeling and document review to analyze market definition and competitive harm resulting from conduct.
• In In re California Gasoline Spot Market Antitrust Litigation, investigated methodologies for calculation of both the pass-through of changes in the OPIS spot price index to retail gasoline prices, as well as the estimated overcharges to plaintiffs. 
• On behalf of Veeva in Veeva Systems Inc. v. IQVIA Inc., which concerned the monopolization of data and data management software for pharmaceutical companies, supported testifying expert on issues of market definition, market power, theory of harm, and competitive effects.
• Supported the expert in providing analysis of US sugar market for U.S. Sugar’s proposed acquisition of Imperial Sugar.
• In Stephanie Difederico and Jameson Edmond Casey v. Amazon.com Inc. et al., a Canadian class action, reviewed economic literature on the pass-through of platform fees in ecommerce and performed econometric analysis on class-wide damages.
• On behalf of the merging parties, provided support for the expert in a hospital system merger. Analyzed efficiencies, cost savings, and other procompetitive effects of the proposed action. Contributed to a white paper and presentations on pro-competitive effects of the merger before the antitrust agency.