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Mainspring Energy Appoints Tom Linebarger as Chief Executive Officer

PRIVATEJun 10, 2026

Position

Chief Executive Officer

Company

Mainspring Energy

Tom Linebarger
Menlo ParkOtherManufacturingInformation TechnologyEnergyRenewable EnergySolarEnergy Storage

Description

Mainspring Energy has announced the appointment of Tom Linebarger, former Chairman and CEO of Cummins, Inc., as their new CEO. Linebarger will leverage his extensive experience in the energy sector to drive the company's expansion into utility and AI data center markets.

Company Information

Company

Mainspring Energy

Location

3601 Haven Ave

Menlo Park, California, United States

About

Mainspring designs and manufactures an advanced, flexible power generation solution — the Linear Generator — that gives leading C&I companies, data centers, and utilities reliable, scalable, sustainable power capacity. Any fuel, any scale, anytime, anywhere.

Fundz sees it the moment Mainspring Energy changes its leadership, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

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Mainspring Energy changed its leadership. Fundz had it the day it was filed, with the decision-maker at the company attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.