John Keppler serves as the Executive Chairman at iyris since April 2024 and has been a Board Member at Enviva since 2004, where John also holds the position of Chairman & CEO. Additionally, John Keppler is a Board Member of the Sustainable Biomass Program, contributing to the organization's mission of establishing sustainability standards for biomass in energy production from November 2018 to September 2024. Previously, John Keppler was a Director at AOL from 2002 to 2004. Academic qualifications include an M.B.A. from the University of Virginia Darden School of Business (2000-2002), a BA in Political Economy from the University of California, Berkeley (1988-1992), and a background from The Lawrenceville School (1984-1988) and The John Thomas Dye School.
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