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Dr. Johnson, 61, has been a member of the Board of Directors since August 2012. Dr. Johnson has served as the chancellor of the State University of New York since September 2017. From January 2015 to September 2017, Dr. Johnson served as the Chief Executive Officer of Cube Hydro Partners, LLC, a clean energy company, and a joint venture between Enduring Hydro, a company she founded in January 2011 and I Squared Capital, a private equity firm. From May 2009 to October 2010, Dr. Johnson served as Under Secretary of Energy at the U.S. Department of Energy. Prior to this, Dr. Johnson was Provost and Senior Vice President for Academic Affairs at The Johns Hopkins University from 2007 to 2009 and Dean of the Pratt School of Engineering at Duke University from 1999 to 2007. Previously, she served as a professor in the Electrical and Computer Engineering Department, University of Colorado and as director of the National Science Foundation Engineering Research Center for Optoelectronics Computing Systems at the University of Colorado, Boulder. She holds 119 U.S. and international patents and has received the John Fritz Medal, widely considered the highest award given in the engineering profession. Dr. Johnson was inducted into the National Inventors Hall of Fame in 2015 and she is also a member of the National Academy of Engineering. Dr. Johnson also currently serves on the board of directors of The AES Corporation. She previously served as a director of Boston Scientific Corporation, ending in 2017.