Mevion Medical Systems, Inc. (formerly Still River Systems) is dedicated to providing physicians and their patients access to high quality, cost-effective proton therapy solutions, and to help establish this superior treatment modality as a standard of care for patients worldwide.
Littleton, US
Size (employees)
160 (est)
Mevion Medical Systems was founded in 2004 and is headquartered in Littleton, US
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Key People/Management at Mevion Medical Systems

Joseph K. Jachinowski

Joseph K. Jachinowski

Mark Jones

Mark Jones

Vice President of Engineering
Thomas Faris

Thomas Faris

Vice President of Regulatory and Quality Assurance
Michael Cogswell

Michael Cogswell

SVP of Sales and Marketing
Bill Alvord

Bill Alvord

Vice President Operations

Mevion Medical Systems Office Locations

Mevion Medical Systems has offices in Littleton, Warlingham and Minato
Littleton, US (HQ)
300 Foster St
Minato, JP
Toranomon 36 Mori Building 10F 3-4-7 Toranomon
Warlingham, GB
475 Godstone Rd
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Mevion Medical Systems Financials and Metrics

Summary Metrics

Founding Date


Total Funding

$697.1 m

Latest funding size

$58.84 m

Time since last funding

3 years ago


Mevion Medical Systems's latest funding round in August 2015 was reported to be $58.8 m. In total, Mevion Medical Systems has raised $697.1 m
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Mevion Medical Systems Online and Social Media Presence

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