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Dr. Sappenfield is an applied economist who specializes in human capital, intellectual property, technology, and financial matters.

His research and consulting practice involve data wrangling and econometric analysis in related “big data” contexts, including patenting and invention, life sciences, and securities/company financials. In these contexts, Dr. Sappenfield has analyzed firm strategy related to a variety of issues, including knowledge diversity, skill training, and labor regulation. He is a certified paralegal.

Prior to joining Brattle, Dr. Sappenfield conducted statistical and research consulting for universities and technology firms, as well as in support of expert witness testimony in educational equity litigation. He previously taught secondary math in the Dallas Independent School District.

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