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Our Commitment

“Our founders didn’t just create a company, they built a community,” says CEO Dow Wilson. “That sense of caring continues here today, not only in our revolutionary and life-saving technologies but in the culture and values we live by.”

At Varian, we are a Partner for Life. This partnership is embodied in everything we do. Whether it’s working across teams, collaborating with customers, or reaching out to our communities, we are dedicated to our mission of focusing energy on saving lives and realizing a world without fear of cancer.

Varian Medical Systems has a rich, 65-year history of delivering innovations, state-of-the-art software and cutting-edge technologies that treat cancerous as well as non-cancerous tumors. Our dedication to excellence has produced industry-wide results, and we continue our mission of innovating, supporting and simplifying cancer-fighting solutions worldwide.

Our History

For over 65 years, Varian’s Oncology Systems division has been dedicated to developing products and services with the goal of realizing a world without the fear of cancer. Originally founded in 1948 by Russell and Sigurd Varian, the company researches and develops innovative technologies like linear accelerators, Klystron technology, nuclear magnetic resonance, CT scanners, ultrasound and night vision technology. In the late 1960’s, Varian introduced the medical linear accelerator for radiation therapy. To date, more than 6,500 Varian linear accelerators have been installed at hospitals and clinics worldwide.

Varian Oncology Systems is the world’s leading manufacturer of integrated systems for treating cancer and other conditions with radiotherapy, radiosurgery, proton therapy, and brachytherapy. Along with making an industry-leading treatment planning software for radiation treatments, Varian also develops informatics software for managing comprehensive cancer clinics, radiotherapy centers and medical oncology practices.

Our History


Varian introduces VitalBeam™ for affordable advanced radiotherapy.  The new platform leverages Varian’s best technology, incorporating many innovations developed for the TrueBeam® platform to offer clinics a cost-competitive option for image-guided cancer treatment.


Varian finishes installation of the company’s first complete ProBeam™ system for proton therapy at Scripps Proton Therapy Center in San Diego.  Patient treatments commence.

Varian introduces ProBeam Compact single-room proton therapy system.  

Varian acquires the assets of Velocity Medical Solutions, LLC, an Atlanta-based developer of specialized software for cancer clinics.  The Velocity software platform is designed to enable data-driven clinical decision making.


RapidPlan knowledge-based treatment planning is introduced to help clinics unlock the knowledge of their most successful plans to create the right treatment plan for their patients.


Varian launches the Edge™ radiosurgery suite, and becomes the world’s largest oncology software provider with more than 3,300 Eclipse™ and ARIA sites around the world.


The TrueBeam system receives a prestigious R&D 100 Award as well as a Red Dot Product Design award.


Varian introduces the TrueBeam™ system for radiotherapy and radiosurgery.  Designed from the ground up to treat moving tumors with unprecedented speed and accuracy, the TrueBeam system incorporates numerous technical innovations that dynamically synchronize imaging, patient positioning, motion management, and treatment delivery during radiotherapy or radiosurgery.  

The company’s Particle Therapy group introduces the ProBeam™ proton therapy system with integrated solutions for imaging, gating, robotic patient positioning, treatment planning and information management.  Varian’s Security and Inspection Products group introduces low dose Linatron machines for portable and mobile cargo inspection.


AAPM 2017
Denver, CO
Varian User's Meeting at AAPM 2017
Denver, CO