John J. Tough

Mr. Tough has served on the Volta board of directors since May 2019. Mr. Tough has worked at Energize Ventures as a Managing Partner since September 2019 and as a Partner from February 2017 to August 2019. Prior to this, Mr. Tough worked at Choose Energy, Inc., a consumer services technology company, as Chief Revenue Officer from 2016 to May 2017, Vice President of Business Development & Operations from January 2014 to 2016 and Director — Business Development from June 2012 to January 2014. He also currently serves as a member or observer on the boards of directors of the following private computer software companies: Matroid, Inc., Aurora Solar Inc., Sitetracker, Inc. and Jupiter Intelligence, Inc. In addition, Mr. Tough also currently serves as a member or observer on the boards of directors of the following private companies: Optimus Ride Inc., a mobility technology company, ZEDEDA Inc., an information technology and services company, DroneDeploy, Inc., an aerial analytics information technology company, and Nozomi Networks Inc., a computer and network security company. Mr. Tough holds a B.S. in biology, chemistry and markets and management from Duke University and an M.B.A. from The University of Chicago — Booth School of Business. Mr. Tough serves as a director because of his extensive experience in the technology industry and his experience on multiple boards of various technology companies.