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Learn More About Proton Therapy
Learn More About Proton Therapy

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Mevion Medical Systems Appoints Curt Kienast as Chief Operating Officer

13-Year Mevion veteran will lead the company's end to end processes.

LITTLETON, Mass., February 17, 2020 - Mevion Medical Systems, the leader in compact proton therapy, today announced the appointment of Curt Kienast to chief operating officer of the organization, effective immediately. In this role, Kienast is responsible for leading the company’s end to end processes, scaling development, and amplifying operational excellence.

“I am very proud to announce the promotion of Curt to chief operating officer,” said Tina Yu, chief executive officer of Mevion Medical Systems. “Curt is a 13-year Mevion veteran, and his passion has proved to be vital to our organization, and as we evolve, he will be a leader who can propel our strengths and our expansion.”

Proton therapy is a more precise therapeutic radiation to the tumor and less damaging to nearby organs and is becoming a favored tool among top centers around the world. Mevion provides the most compact and precise proton systems available today and has been selected by leading clinical centers in the U.S., Europe, and China.

Kienast was previously vice president of global service. He has held many cross-functional roles during his tenure, including leadership roles in quality assurance, engineering, and service. Kienast’s innovative approaches to customer service and lean manufacturing have been instrumental in the company’s continued growth and success.

“I am honored and excited for the opportunity to lead Mevion’s team in a greater capacity,” said Curt Kienast. “Mevion has secured a distinctive position in the global market, and my goal is to ensure we maintain our competitive edge, our culture of customer service, and build on our teams’ unified focus to drive us into the future.”

Curt Kienast, Chief Operating Officer

About Mevion Medical Systems

Mevion Medical Systems, Inc. is the leading provider of compact proton therapy systems for use in radiation treatment for cancer patients. Mevion is based in Littleton, Massachusetts, with a presence in Europe and Asia. For more information, please visit

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Melanie Benton

Mevion Medical Systems 1-978-540-1551