The Paradigm Shift in Energy Storage®         

The Paradigm Shift in Energy Storage®         


Dr. John Cooley

John Cooley, President and CTO

Dr. Cooley co-founded FastCAP Systems in 2009, where he currently serves as President and Chief Technology Officer and focuses on technology development and commercialization.  In the past, he has worked in the defense and medical device industries and has consulted in IP litigation.  At FastCAP, John has led the execution of our first product lines and has co-authored multiple winning grant proposals.  Dr. Cooley holds five (5) technical degrees from MIT including the Ph.D. from the Electrical Engineering dept.   At MIT, he won both the David Adler Memorial Thesis Prize and the Morris Joseph Levin Award for his thesis work, and was a Martin Family Fellow in 2009. Dr. Cooley has been issued several patents including four (4) for his thesis work. He has presented and published papers in the areas of power converter control and modeling, linearized circuit analysis, capacitive sensing, building energy management, and in education. Journal publication venues include the IEEE Transactions on Power Electronics, IEEE Transactions on Industrial Electronics, IET Transactions on Circuits, Devices and Systems, and the Journal of Solid-state Circuits.  John’s interests lie in energy-related problems of scale and the ways in which we can impact those with technology and policy.  John is a member of the IEEE and Sigma Xi.

Matt Fenselau

Matt Fenselau, General Counsel

Mr. Fenselau joined FastCAP in 2014 and serves as General Counsel. He holds an M.Phil. in atomic physics from Yale University and a J.D. from Boston College Law School. His technical experience includes quantum optics, atom trapping, and the study of ultra-cold quantum gases. During a decade in large law firm practice, Matt focused on intellectual property portfolio development, technology transfer, and licensing. He has advised venture capital funds and portfolio companies in the structuring of strategic relationships and joint ventures around technology developments. Mr. Fenselau’s interests include promoting STEM education and entrepreneurship in Boston area schools.

James Harris

James Harris, VP of Finance

Mr. Harris is FastCAP’s Director of Finance. Prior to joining FastCAP Systems he has held financial and operations management roles in fortune 50 companies as well as start-ups. Mr. Harris also has extensive international experience in China and Europe. He earned an MBA from Boston University and a Bachelor’s degree from the University of Texas at Austin with majors in Accounting and Finance. In his free time he enjoys traveling and Olympic distance triathlons.


Arunas Chesonis

Arunas Chesonis, Chairman

Mr. Chesonis is currently Chairman and CEO of Sweetwater Energy, a biochemical and biofuels technology firm based in Rochester, New York. Mr. Chesonis also served as Chairman and Chief Executive Officer of PAETEC Holding Corp., a Fortune 1000 telecommunications company acquired in 2011 by Windstream Corp. (NASDAQ: WIN) for $2.3 billion. Mr. Chesonis founded PAETEC in 1998. He previously served as President of ACC Corp. until it was purchased by AT&T in 1998. Mr. Chesonis received the Ernst & Young Entrepreneur of the Year Award, the Herbert W. Van Brul Entrepreneurial Award by the College of Business at Rochester Institute of Technology and was elected to the Rochester Business Hall of Fame. Mr. Chesonis has a long history in renewable energy. His private philanthropic organization, the Chesonis Family Foundation, supports many environmental and renewable energy research projects, and has also given almost $10 million to the Massachusetts Institute of Technology to support breakthrough technology research to address climate change and sustainability. He holds a B.S in Civil Engineering from Massachusetts Institute of Technology, and MBA from the William E. Simon Graduate School of Business at the University of Rochester, and an Honorary Doctorate of Laws from the University of Rochester. Mr. Chesonis is also a member of the MIT Corporation and is a trustee at the University of Rochester.


Keith Wilson, Director

Mr. Wilson is the Chief Financial Officer responsible for maintaining and reporting the financial health of Sweetwater Energy. At Sweetwater, Mr. Wilson is responsible for overseeing such finance-related departments as Treasury, Accounting, Payroll, Investor Relations, and Strategic Development. Prior to joining Sweetwater, most recently Mr. Wilson served as the Executive Vice President and Chief Financial Officer as well as a member of the Board of Directors at PAETEC Holding Corp. He also served as Vice President and Head of Telecommunications Finance at Union Bank of California, where he focused on sourcing and providing capital for telecommunications services companies in the wireline, wireless, and data-services markets. Mr. Wilson also has held positions with First Dominion Capital, NationsBank, Bank of Boston, and Fleet Bank.  Mr. Wilson received a Bachelor of Arts degree from Dickinson College in Political Science and History and a Master’s Degree in Southeast Asian Studies and International Business from The University of Michigan.