Merged into Proterra, ticker now PTRA



ArcLight Clean Transition Corp.

SPAC Ticker
Merged Ticker
Energy, Sustainability
External link: SEC Filings



Daniel R. Revers, 58, serves as our Chairman. Mr. Revers is the founder of ArcLight and has 30 years of energy finance and private equity experience. Mr. Revers is responsible for overall investment, asset management, strategic planning, and operations of ArcLight and its funds. Prior to forming ArcLight in 2001, Mr. Revers was a Managing Director in the Corporate Finance Group at John Hancock Financial Services, a private insurance and financial services firm, where he was responsible for the origination, execution, and management of a $6 billion portfolio consisting of debt, equity, and mezzanine investments in the energy industry. Prior to joining John Hancock in 1995, Mr. Revers held various financial positions at Wheelabrator Technologies, where he specialized in the development, acquisition, and financing of domestic and international power and energy projects. Mr. Revers earned a Bachelor of Arts in Economics from Lafayette College and a Master of Business Administration from the Amos Tuck School of Business Administration at Dartmouth College.

John F. Erhard, 46, serves as our President and Chief Executive Officer. Mr. Erhard joined ArcLight around the time of its founding in 2001 and is currently a Partner. Mr. Erhard has 20 years of energy finance and private equity experience. Prior to joining ArcLight, Mr. Erhard was an Analyst at the investment banking firm Schroder Wertheim, where he focused on mergers and acquisitions. Mr. Erhard earned a Bachelor of Arts in Economics from Princeton University and a Juris Doctor from Harvard Law School.

Marco F. Gatti, 37, serves as our Chief Financial Officer . Mr. Gatti joined ArcLight in 2018 and has 11 years of energy and private equity experience. Prior to joining ArcLight, Mr. Gatti spent five years as a Vice President in the Energy group at Warburg Pincus, where he focused on the sourcing, execution and portfolio management of equity investments in the energy and heavy industry sectors. Prior to joining Warburg Pincus in 2013, Mr. Gatti worked at Bain Capital, McKinsey & Company and Praxair between 2007 and 2012. Mr. Gatti earned a Master of Business Administration from the Wharton School of the University of Pennsylvania, a Master of Science in Mechanical Engineering from the University of Minnesota and a Bachelor of Science in Mechanical Engineering from Politecnico di Milano.

Rick S. Knauth, 57, serves as our Chief Operating Officer . Mr. Knauth joined CAMS in 2013 and has 25 years of energy project development and asset management experience. Prior to CAMS, Mr. Knauth was a Director at Vestas, a Danish wind turbine manufacturer, where he held both contract negotiation and asset management roles. Mr. Knauth has a bachelor’s degree in engineering from Tulane University and an MA in Economics and International Relations from the Johns Hopkins School of Advanced International Studies, with a concentration in energy and the environment.

Christine M. Miller, 49, serves as our General Counsel . Ms. Miller joined ArcLight in 2004 and has 23 years of legal experience in the areas of investment transactions and fund operations, with 21 years specific to energy finance and private equity. Prior to joining ArcLight, she was Counsel in John Hancock’s Investment Law Division, where she represented investment managers and advised institutional investors in purchasing private debt and equity securities. Ms. Miller earned a Bachelor of Arts in Political Science from the University of Massachusetts at Amherst and a Juris Doctor from Boston University School of Law.

Arno Harris, 51, has agreed to serve on our board of directors . Mr. Harris has spent the last 25 years starting and growing successful businesses in high technology, clean energy and electric mobility. He now advises startups and growth companies, helping them to raise capital and achieve scale. In addition to his advisory work, Mr. Harris serves as an independent director for Pacific Gas & Electric Company (NYSE:PCG), California’s largest investor-owned utility, and Azure Power Global Limited (NYSE:AZRE), India’s leading solar developer with almost 2GW of operating assets and over 5GW in development. Between 2006 and 2015, Mr. Harris was the founder, CEO and chair of Recurrent Energy, one of North America’s largest solar project developers. Prior to Recurrent Energy, Mr. Harris was the founder and CEO of Prevalent Power, one of California’s fastest growing commercial solar project developers. Mr. Harris earned a Bachelor of Arts from the University of California Berkeley.

Dr. Ja-Chin Audrey Lee, 42, has agreed to serve on our board of directors. Dr. Lee has 15 years of experience in clean energy. Previously, Dr. Lee served as Vice President of Energy Services at Sunrun Inc (NASDAQ: RUN) from 2017 to 2020. Prior to Sunrun, she served as Vice President of Analytics and Design at Advanced Microgrid Solutions from 2014 to 2017. Before her role at Advanced Microgrid Solutions, Dr. Lee was appointed by the Governor as Advisor to the President of the California Public Utilities Commission from 2011 to 2014, where she led the approval of first-in-the-nation rules on customer energy data. Dr. Lee serves on the board of Gridworks, a non-profit that convenes, educates and empowers stakeholders to decarbonize electricity grids. She also serves on the board of Pinnacle Engines, commercializing advanced engines for reduced petroleum usage and greenhouse gas emissions. She volunteers as Co-Chair and Co-Founder of Clean Energy for Biden. Dr. Lee earned her Ph.D. and M.S. in Electrical Engineering from Princeton University and her B.S. in Applied Physics from the California Institute of Technology.

Brian Goncher, 64, has agreed to serve on our board of directors . Mr. Goncher is Strategy Advisor to Powerhouse and active member of Clean Energy for Biden with more than 42 years of experience in finance, management and consulting. Mr. Goncher was a Managing Director at Deloitte until 2019, where he created and led their Energy Tech Practice. Before Deloitte, Mr. Goncher was a venture capitalist at Frontier Ventures between 1997 and 2000, and Crystal Ventures between 2000 and 2003 where he invested in technology companies. In addition, between 1990 and 1996, Mr. Goncher created and led the Emerging Company Services Group at Coopers & Lybrand (now part of PwC). He provided financial and strategic consulting services to tech startups. Earlier in his career, Mr. Goncher was the founder/CFO of several technology-enabled startups and a Corporate Banking Officer at Bank of America. Mr. Goncher earned a BS in Economics and MBA in Finance from the University of Chicago.

Steven Berkenfeld, 60, has agreed to serve on our board of directors. Mr. Berkenfeld recently retired from a career in Investment Banking to focus entirely on impact and sustainability. Steven is founder and principal of Ecotopia Consulting LLC. and is primarily engaged in advising earlier stage, mission driven companies. Previously he was a Managing Director in Investment Banking at Barclays where he served as senior sponsor of the Environmental and Social Impact Banking Initiative and was co head of the firm’s Cleantech Initiative. Before joining Barclays in 2008, Steven spent over 21 years at Lehman Brothers in numerous roles including Chief Investment Officer of the firm’s Private Equity Division. Steven is former chair of the board of the Sierra Club Foundation, and is a sponsor of several projects, and board member of several other organizations, focused on social impact and sustainability. He holds a J.D. from Columbia Law School and a Bachelor’s Degree from Cornell University.