Staff: Intellectual Property

Key Staff

D. Scott Bosworth

Principal Economist

Mr. Bosworth has over a decade of experience in economic instruction, research, and expert analysis, consulting, and testimony. He has provided expert analysis, opinions, and testimony in state and federal courts. His practice encompasses multiple areas of economic analysis and litigation,...

Robert Damuth

Principal Consultant

Mr. Damuth's expertise lies in helping people understand the economic impacts of change. He helps clients see how a change in legislation, regulation, or general economic conditions affects production, employment, wages, and tax revenues directly and indirectly. A change in the demand for the...

Gary L. French

Principal Consultant

Dr. French has 30 years of experience as an expert economist in litigation and regulatory proceedings, and has testified before federal and state courts on more than 50 occasions. He has provided expert testimony in various kinds of litigation, including antitrust, bankruptcy, contract, employment...

Eric Fruits

Principal Consultant, Pacific-Northwest Region

Dr. Eric Fruits is an economics, finance, and statistics expert based in Portland, Oregon and directing the firm’s work in the Pacific-Northwest region. Dr. Fruits has produced numerous research studies involving economic analysis, financial modeling, and statistical analysis, and provides expert ...

Todd V. Hasson

Managing Economist

Todd Hasson is a CFA® Charterholder with more than 20 years of experience providing financial and economic analysis to parties involved in disputes, investigations, and negotiations. He has testified at deposition on lost profit damages and forgone investment opportunities. Mr. Hasson has submitted...

Marianne Ley Hayek

Managing Economist

Marianne Ley Hayek has applied her economic expertise to a wide range of litigation, covering such matters as antitrust, breach of contract, patent infringement, and wage discrimination. Her specialties include evaluating tacit collusion practices, defining markets, and calculating damages. Ms....

Robert S. Knudsen

Vice President

Mr. Knudsen has 34 years of experience in auditing, management consulting, reorganization and workout consulting, business valuation, investigative accounting, and analysis of financial and business issues in commercial litigation. He has testified many times in state and federal courts, at...

Russell W. Mangum III

Senior Vice President, Litigation Services

Dr. Mangum has over 15 years experience in economic research and analysis. He has served as a consulting and testifying expert in the private sector and for local, state, and federal governments. His practice focuses on economic analysis and expert testimony in a wide range of matters involving...

Eric Matolo

Principal Economist

Dr. Matolo is a Principal Economist in Nathan Associates’ business and litigation consulting practice in Southern California. He specializes in the economic analysis of complex business issues, including economic damages, valuation, and economic impacts. Dr. Matolo has experience evaluating...




Academic Affiliates

William R. Latham, III

Associate Professor, Department of Economics, University of Delaware

Dr. Latham has testified as an expert witness in litigation involving patent and trademark infringement, antitrust, employment, breach of contract, and other cases in federal and state courts. On issues involving electric utilities, he has testified before the Federal Energy Regulatory Commission...

John Pisarkiewicz

Principal Consultant

Dr. Pisarkiewicz has more than 30 years of experience serving as an expert economist before federal and state courts, administrative tribunals, and arbitration panels. He started at Nathan Associates in 1985, then rejoined the firm after a five-year hiatus as senior vice president at Heiden...

Joel H. Steckel

Academic Affiliate, Nathan Associates Inc.; Professor of Marketing, Stern School of Business, NYU

Joel Steckel is a professor of marketing at New York University (NYU). He is currently the Director of Ph.D. programs at the Stern School of Business and previously served six years as the Chair of the Marketing Department. Dr. Steckel’s areas of expertise include marketing and branding strategy,...

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