Funded Tech Companies
Mainspring Energy
Mainspring Energy, based in Menlo Park, received equity investments from Marunouchi Capital, Temasek and General Catalyst.
Company Overview
Company Name
Mainspring Energy
Company Status
Private & Independent
Industry
Funding Rounds
Total Funding
Contact Information
Mailing Address
3601 Haven Ave.
Menlo Park, CA 94025
USA
Menlo Park, CA 94025
USA
Phone
Undisclosed
Website
Email Address
Company Background Information
Overview
Mainspring was founded in 2010 by three Stanford engineers seeking a new approach to generating clean, resilient, affordable electricity. Their research into high-efficiency methods of converting fuel to electricity led to the founding of the company and the development and prototype of their first linear generator. They also built a culture of collaboration and innovation.
Profile
Social Media
Company News
Facebook
YouTube
Last Transaction
4/14/2025
Financing History
Date
Type
Amount
Management Team
Title
Name
Email & Social
Chief Executive Officer
Shannon Miller
Chief Operating Officer
David DeGraaff
Chief Technical Officer
Matthew Svrcek
VP - Bus. Development
John Igo
VP - Finance
Ryan Fletcher
VP - Operations
Ken Poczekaj
VP - Product Management
Yannick Roux
VP - Product Management
Adam Simpson
Company Investors
- Marunouchi Capital
- Temasek
- General Catalyst (Tom Linebarger)
- Gates Frontier Fund
- M&G Investments
- Lightrock (Kevin Bone)
- LGT
- Khosla Ventures
- Amazon Climate Pledge Fund (Thomas Selby)
- DCVC
- Pictet
- Lineage Logistics
- Fidelity Investments Canada
- Princeville Global
- Fine Structure Ventures
- Private Investors (Bill Gates)
- Chevron Technology Ventures
- Equinor
- American Electric Power
- Devonshire Investors
- ClearSky Security Fund
- Private Investors (William Gates)
- 40 North Management
- KCK Group
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