By Office: Toronto Office

  • Dr. Deborah K. Foster
    Partner

    Dr. Foster is a labor economist and an expert in applying data analysis to labor and employment issues in legal disputes. She has provided deposition testimony and expert reports in both state and federal court, as well as mediation, arbitration, and trial support. Her practice includes advising clients on matters relating to discrimination claims as well as a wide range of wage and hour issues.

  • Dr. John H. Johnson, IV
    President, CEO & Partner

    John Johnson uses econometrics to develop rigorous analyses and provide expert testimony in a wide range of antitrust cases, labor and employment matters, and in class actions. Dr. Johnson, a teacher at heart, is known for his ability to explain technical concepts in a simple, straightforward manner.

  • Dr. George Korenko
    Partner

    George Korenko specializes in the application of economic, statistical, and financial analysis to issues in transfer pricing, antitrust, housing finance, intellectual property, and labor and executive compensation, among other areas. His experience in numerous industries includes providing written and oral expert testimony, preparing transfer pricing studies, and addressing public policy issues.

  • Dr. Gregory K. Leonard
    Partner

    Greg Leonard is a world-renowned expert in antitrust litigation, mergers and acquisitions, and intellectual property damages. He is a pioneer in the development of econometric methods to analyze competition issues in numerous industries, offering expert testimony in Federal Courts and before government agencies. 

  • Dr. Mario A. Lopez
    Partner

    Mario A. Lopez is an economist known for applying rigorous methods to intellectual property and antitrust disputes. He has expertise in developing economic and statistical models to assess issues of liability and damages in a variety of contexts (including patent infringement disputes and price fixing allegations), serving as an expert witness in these areas.

  • Mr. Matthew Milner
    Partner

    Matthew Milner, the founder of Edgeworth’s data practices, brings a decade of experience to the identification, collection, and analysis of large complex datasets for purposes of litigation and expert testimony. Mr. Milner leverages his passion for data and computing, along with his training in econometrics and business, in providing efficient and practical advice to our clients.

  • Mr. Stephen P. Rusek
    Partner

    Stephen P. Rusek brings over a decade of experience in economic, financial, and strategy consulting to Edgeworth Economics. He has expertise performing innovative economic and statistical analyses to develop strategic recommendations for clients in a variety of matters, including intellectual property disputes; company valuations in the context of mergers and acquisitions, and venture capital and private equity investments; and securities litigation.

  • Dr. Xiaoling Lim Ang
    Principal Consultant

    Xiaoling Ang is an expert witness specializing in consumer financial services, antitrust, and labor economics. Her practice focuses on the banking, insurance, and finance industries. She focuses on applying rigorous economic and econometric methods to these areas, including through class certification and damages analysis, policy evaluation, cost-benefit analysis, and fair lending analysis.

  • Ms. Sophie Meadows
    Principal Consultant

    Sophie Meadows specializes in qualitative and quantitative economic analyses for litigation matters with a focus on antitrust and class action issues. She has extensive experience working with varied and complex datasets to provide efficient and accessible solutions for our clients.

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