What departments does Mevion Medical Systems have?

Mevion Medical Systems has employees across 16 departments including Operations, Engineering, Business Development, Customer Success, Product Management.

What is the largest department at Mevion Medical Systems?

The largest department at Mevion Medical Systems is Engineering with 8 employees.

Where are Mevion Medical Systems employees located globally?

Mevion Medical Systems has employees across 3 continents and 6 countries including China, Viet Nam, Japan, Netherlands, Belgium.

How has Mevion Medical Systems's team size changed over time?

Mevion Medical Systems's team has decreased from approximately 296 to 192 employees based on available data.

Mevion Medical Systems Employee Directory

Q: Who are Mevion Medical Systems's key employees and leadership?

Mevion Medical Systems's key employees include: President And Chief Executive Officer: T. T. Y., Chief Operating Officer: C. K., Chief Operating Officer: P. K., Chief Physicist: Y. L., Vp Business Development And Sales: L. G..

Medical Equipment ManufacturingMassachusetts, United States201-500 Employees

Mevion Medical Systems is a private medical equipment manufacturer focused on proton therapy systems for cancer treatment. It is based in Littleton, Massachusetts, with international offices in the United Kingdom and Japan and a joint venture in China, serving a global market with mid-sized operations. The company emphasizes compact, high-uptime systems intended to simplify operations and reduce capital and operating costs for cancer centers, with its MEVION S250 Series described as a flagship family designed to deliver stable and efficient proton therapy across facilities of varying sizes. This lineup is aimed at improving beam quality, stability, and throughput while enabling scalable configurations for multi-room installations.

Its primary customers are cancer centers and health systems seeking advanced radiation therapy options. In 2026, Mevion announced a contract with UNC Health Alliance, part of broader engagement with nine leading institutions worldwide, including Stanford Health Care and Loma Linda University Health, to deploy the S250-FIT system. The company operates within the medical device sector and pursues partnerships and integrations to support its installations and expand its clinical footprint.

Mevion Medical Systems Global Highlights

North America
220

United States Of America
220

Asia
19

China
17
Viet Nam
1
Japan
1

Europe
4

Netherlands
3
Belgium
1

Mevion Medical Systems's Leadership

C. K.
Chief Operating Officer
Mobile Phone
Email
P. K.
Chief Operating Officer
Mobile Phone
Email
Y. L.
Chief Physicist
Mobile Phone
Email
L. G.
Vp Business Development And Sales
Mobile Phone
Email
T. Z.
Vice President Advanced Development
Mobile Phone
Email
S. S.
Vp Of Sales Operations
Mobile Phone
Email
S. R.
Vice President Clinical Systems
Mobile Phone
Email
M. J.
Vice President Of Engineering
Mobile Phone
Email

Mevion Medical Systems Employee Metrics

100%

50%

0%

2026

2025

Engineering
Manufacturing
Product Management
Quality Assurance
Operations
Other
Supply Chain
Administrative
Human Resources
Business

Contact profiles from Mevion Medical Systems

Name

Title

Contact Info

Location

Last Update

T. T. Y.
President And Chief Executive Officer
Mobile Phone
Email
United StatesMassachusetts
May 21, 2026
C. K.
Chief Operating Officer
Mobile Phone
Email
Aug 16, 2024
J. J.
President, Chief Executive Officer, Director
Mobile Phone
Email
United StatesMassachusetts
Apr 17, 2026
P. K.
Chief Operating Officer
Mobile Phone
Email
Oct 23, 2024
L. B.
Senior Vice President, Commercial Development
Mobile Phone
Email
United StatesMassachusetts
Mar 24, 2026
B. Z.
Vice President, Global Operations
Mobile Phone
Email
United StatesMassachusetts
Apr 17, 2026
L. G.
Vp Business Development And Sales
Mobile Phone
Email
Bay
Apr 16, 2026
R. W.
Vice President, Customer Success
Mobile Phone
Email
United StatesNorth Carolina
Mar 19, 2025
B. M.
Vice President, Business Development
Mobile Phone
Email
United StatesNew York
Apr 16, 2026
Y. X.
Vice President, Product Management
Mobile Phone
Email
United StatesMassachusetts
Nov 10, 2025

Frequently Asked Questions

What is Mevion Medical Systems known for?

Mevion Medical Systems was founded in 2004 operates in the Medical Equipment Manufacturing industry. The company's main headquarters is located in 300 Foster Street Littleton, Massachusetts 01460 United States; you can contact the main corporate office by phone at

+1-978-540-****

. Explore Mevion Medical Systems's company overview page for more information.

What is Mevion Medical Systems's most common email format?

Mevion Medical Systems employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Mevion Medical Systems email formats with LeadIQ.

How many employees does Mevion Medical Systems have currently?

Mevion Medical Systems has approximately 242 employees as of May 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are Mevion Medical Systems's key employees and leadership?

As of May 2026, Mevion Medical Systems's key employees include:

Chief Operating Officer: C. K.
Chief Operating Officer: P. K.
Chief Physicist: Y. L.
Vp Business Development And Sales: L. G.
Vice President Advanced Development: T. Z.

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Mevion Medical Systems Employee Directory

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