Mainspring Stock

mainspringenergy.comEnergy / Clean EnergyFounded: 2010Funding to Date: $548.36MM

Mainspring is developing a new approach to generating clean, resilient, affordable electricity. Their research into high-efficiency methods of converting fuel to electricity led to the development and prototype of their first linear generator. This company was founded by John Connolly and Marshall Micheals in 1996 and is headquartered in Cambridge, MA.

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Management Team

Shannon Miller
Chief Executive Officer and Founder
Matt Svrcek
Chief Technology Officer and Founder
Adam Simpson
Chief Product Officer and Founder
David DeGraaff
Chief Operating Officer
Jim Dawe
Chief Commercial Officer
Gary Larsen
Chief Financial Officer
Maria Amundson
Chief Communications Officer
Ryan Fletcher
Vice President of Finance
Kirk Gerber
Vice President of Global Supply Chain and Operations
Haben Goitom
Vice Presdient and Commercial Counsel
Bobby Hollis
Vice President of Market and Development
John Igo
Vice President of Business Development
Greg Pal
Vice President of Product
Yannick Roux
Vice President of Product Introduction

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News Highlights

Mainspring Closes Series E at $290 Million
On May 24th this year, simultaneously with announcing a major commercial sales deal, Mainspring disclosed it had completed its first close of the Series E at $150 million. The company has since expanded the raise by an additional $140 million, to reach the $290 million Series E final close.
Updated on: Sep 23, 2023