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Varian Medical Systems, now a Siemens Healthineers company, is a global leader in developing and delivering innovative cancer care technologies and solutions. For decades, Varian has been at the forefront of advancements in radiotherapy, radiosurgery, proton therapy, and brachytherapy, along with intelligent software and services. Their mission focuses on helping clinicians treat cancer with greater precision and efficiency, empowering them to save more lives. Varian's portfolio includes linear accelerators, treatment planning software, and information management systems designed to support the entire cancer care continuum, from screening and diagnosis to treatment and survivorship. The integration with Siemens Healthineers aims to create a more comprehensive and digitally enabled oncology solutions provider.
The historic Palo Alto campus served as Varian's global corporate center, housing executive leadership, core research and development, advanced engineering, manufacturing, and global support functions for its oncology systems. It continues to be a key site for innovation within the Varian business area of Siemens Healthineers.
The campus features extensive R&D laboratories, advanced manufacturing facilities for its complex medical devices, and customer training centers. It was designed to foster collaboration and innovation in the fight against cancer.
Varian's work culture, both historically and within Siemens Healthineers, is known for being mission-driven, focusing on the impact of their technology on cancer patients. It emphasizes collaboration, innovation, patient-centricity, and a strong sense of purpose among employees.
The Palo Alto headquarters was significant as the birthplace of many groundbreaking radiation therapy technologies. Its Silicon Valley location provided access to top talent and a vibrant ecosystem for technological advancement in healthcare. It remains a symbol of Varian's pioneering spirit.
As an integral part of Siemens Healthineers, the Varian business area maintains a substantial global presence, supporting healthcare providers in over 100 countries. This comprehensive network includes sales and service offices, advanced manufacturing facilities in North America, Europe, and Asia, strategically positioned R&D centers focusing on oncology innovations, and numerous customer training facilities worldwide. Varian's global operations ensure widespread access and robust support for its advanced oncology solutions, encompassing radiotherapy, radiosurgery, proton therapy, brachytherapy, and oncology informatics, thereby empowering clinicians globally in the fight against cancer.
3100 Hansen Way
Palo Alto
California
USA
Address: Täfernstrasse 1, 5405 Dättwil AG, Switzerland
Supports customers and partners across Europe, Middle East, and Africa, ensuring localized support, market-specific product adaptations, and customer training for Varian's oncology solutions.
Address: No. 8 Building, Yard 7, Yongchang North Road, Beijing Economic-Technological Development Area, Beijing, 100176, China
Focuses on producing and developing radiotherapy equipment tailored to regional needs, providing comprehensive training for healthcare professionals, and supporting market growth in the APAC region.
Address: 1200 Roberts Blvd NW, Kennesaw, GA 30144, USA
Drives innovation, production, and global deployment of advanced proton therapy systems for cancer treatment centers, with a strong presence in the Americas market.
Address: Plot No. B-30, MIDC, Ranjangaon, Tal. Shirur, Dist. Pune – 412220, Maharashtra, India
Facilitates access to Varian's cancer care technologies in India and surrounding markets, offering manufacturing capabilities and localized customer support.
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As of April 2025, Varian' leadership includes:
Varian has been backed by several prominent investors over the years, including:
Following the acquisition by Siemens Healthineers, executive leadership for the Varian business area has been largely stable, focusing on integration and driving innovation within the broader Siemens Healthineers structure. Publicly announced distinct 'Varian' executive hires or exits are minimal, as changes are typically managed and communicated at the Siemens Healthineers corporate or business area level. Key legacy Varian leaders continue to spearhead the Varian business area and its product portfolios.
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Historically, Varian Medical Systems utilized the `@varian.com` domain for its email communications. Common formats included first initial followed by last name, or first name separated by a period from the last name. Since the acquisition by Siemens Healthineers, employees are transitioning or have transitioned to Siemens Healthineers email addresses (typically `@siemens-healthineers.com`). Legacy `@varian.com` addresses may have forwarding in place or limited use during the transition.
[first].[last]@varian.com or [first_initial][last]@varian.com
Format
jane.doe@varian.com or jdoe@varian.com
Example
40%
Success rate
Siemens Healthineers Press • May 3, 2024
At the European Society for Radiotherapy and Oncology (ESTRO) 2024 congress, Siemens Healthineers highlighted new innovations from its Varian business, including the AI-Rad Companion Organs RT for AI-powered organ contouring and advancements in image-guided adaptive radiotherapy. These developments underscore Varian's continued commitment to enhancing precision and efficiency in cancer treatment....more
Siemens Healthineers Press • April 10, 2024
Varian, a Siemens Healthineers company, announced that its TrueBeam and Edge radiotherapy systems received Shonin approval from the Japanese Ministry of Health, Labour and Welfare (MHLW) for treating ventricular tachycardia (VT). This marks a significant step in expanding the application of precision radiation technology to cardiac conditions....more
Siemens Healthineers Press • February 28, 2024
Varian announced that its Ethos™ therapy, an AI-driven adaptive intelligence solution, has been used to treat over 100,000 cancer patients globally. This milestone highlights the growing adoption of personalized, adaptive radiotherapy to improve patient outcomes....more
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