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J.B. Heaton


I am the managing member of One Hat Research LLC.  I hold J.D., M.B.A., and Ph.D. (finance) degrees from the University of Chicago. I am a member of the bars of Illinois and New York.  


I have published extensively in peer-reviewed finance journals and on finance topics in law journals and law reviews. My research has been cited by courts throughout the United States and by scholars throughout the world.

I have over 18 years of experience in complex civil litigation, 14 of those as a partner in a leading litigation firm. My experience is deepest in the areas of corporate, securities, and bankruptcy matters, and in damages assessments in large products liability matters. I have considerable experience and knowledge in the development and assessment of damages theories and the role of economic analysis in disputes about liability and injury. I have also taken and defended more than 100 expert depositions in these areas. 

As an expert witness in finance and litigation analysis, my mission is to provide credible and predictable testimony based on my knowledge, skill, experience, training, and education.


I strive to help the trier of fact to understand the evidence and determine the facts in issue through the application of reliable principles and methods to the case's facts.


My goal is to offer consistent, clear, and objective expert opinions, and provide appropriate and precise statements on the matter in question under direct examination and cross-examination.  


I am committed to upholding the highest standards of professionalism, integrity, and ethical conduct in all my engagements, working diligently to achieve the best possible outcome for our clients while remaining impartial and objective. 

You can download my CV here, view my Google Scholar page here, and download papers from my SSRN page here and elsewhere on this site. 


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