Laila Haider

Vice President
Laila Haider | Antitrust nd Competition | Charles River Associates

Laila Haider provides expert economic testimony and economic analysis in matters involving antitrust, labor and employment, and false advertising. She has testified in federal court and in depositions and arbitrations, including in several high-profile antitrust class action matters.

Dr. Haider regularly conducts and evaluates economic analyses related to allegations of price fixing, bid rigging, monopolization, and exclusive dealing. A substantial portion of her work focuses on economic issues relating to class certification in both direct purchaser and indirect purchaser actions. She has particular expertise in the application of microeconomics, statistics, and econometrics to litigation issues.

Her work has encompassed a wide variety of industries, including electronic components, automotive parts, manufacturing, consumer products, pharmaceutical, chemical, and aviation.

Dr. Haider is serving as Co-chair of the Consumer Protection Committee of the American Bar Association’s Antitrust Law Section. She recently served on Council of the Antitrust Law Section, and was previously Co-chair of the Women.Connected Committee and Co-chair of the Economics Committee. Dr. Haider has published articles in the Journal of the European Economic Association, Antitrust Magazine, and The Antitrust Practitioner and was Associate Editor of Antitrust Magazine. Dr. Haider is frequently invited to speak on antitrust issues.

Selected engagements

  • 01
    Economic testimony and analysis support Google’s successful opposition to US class certification
    In December 2025, the US Court denied class certification for the proposed US Advertiser Class and the proposed US AdSense Publisher subclass. Plaintiffs had...
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Credentials