Varian, a Siemens Healthineers Company, traces its roots back to 1948 when it was founded by Russell H. and Sigurd F. Varian. Initially focused on high-tech electronics and microwave devices, the company gradually transitioned into the medical technology space, revolutionizing oncology solutions with its advancements in radiation therapy equipment and cancer treatment software. Recognizing Varian’s impact on the healthcare sector, Siemens Healthineers acquired the company in 2021, integrating it into its ecosystem to further enhance its contributions to medical innovation.

Advancing Cancer Treatment
Operating from Palo Alto, California, Varian is driven by a singular mission: to create a world without fear of cancer. The company specializes in cutting-edge linear accelerators, advanced software solutions, and treatment technologies designed to transform cancer care. With a focus on precision and patient-centric care, Varian continues to redefine the standards of radiation therapy and oncology treatment worldwide.
Commitment to Sustainability
Varian’s commitment to sustainability extends beyond healthcare innovation, reflecting a dedication to eco-conscious technologies that minimize environmental impact and optimize resource efficiency. This unwavering focus on sustainability earned Varian the esteemed Green Innovation Award at the Asia Corporate Excellence & Sustainability Awards (ACES), underscoring its leadership in developing environmentally responsible healthcare solutions.
Halcyon: A Benchmark in Green Innovation
Varian’s Halcyon radiotherapy system stands as a testament to its commitment to both patient care and sustainability. Designed to streamline treatment processes, Halcyon enhances radiotherapy precision through advanced techniques like image-guided radiation therapy and RapidArc volumetric radiotherapy. It effectively treats a range of cancers, including lung, prostate, breast, and head and neck. Beyond its clinical capabilities, Halcyon significantly reduces its carbon footprint, as demonstrated by a case study from the Hull NHS Trust, aligning with Varian’s mission to integrate environmental responsibility into medical advancements.
Driving Energy Efficiency and Accessibility
Varian’s dedication to innovation extends beyond radiation therapy, incorporating energy-efficient practices, facility enhancements, and infrastructure improvements. These initiatives underscore the company’s broader mission of making cancer treatment more accessible, reducing energy consumption, and optimizing operational costs—all while prioritizing environmental sustainability.
Siemens Healthineers’ Sustainability Goals
As part of Siemens Healthineers, Varian aligns with the global healthcare giant’s sustainability vision. Siemens Healthineers is committed to improving healthcare access while significantly reducing carbon emissions in accordance with the Science Based Targets initiative (SBTi). The company aims to achieve carbon neutrality in its operations by 2030, targeting a 90% reduction in direct (Scope 1) and indirect (Scope 2) emissions from 2019 levels. Additionally, it seeks to reduce greenhouse gas (GHG) emissions by 28% across its value chain (Scope 3) by 2030.
Ethical Leadership and Social Impact
Varian upholds a legacy of ethical excellence, fostering a diverse, inclusive, and innovative workplace. The company prioritizes employee safety, creativity, and collaboration, recognizing that a vibrant workforce fuels progress. Beyond its internal culture, Varian actively engages in social initiatives, supporting communities worldwide and making a lasting impact through responsible business practices.
A Future of Sustainable Innovation
Varian’s contributions to healthcare and sustainability continue to shape the future of medical technology. By merging cutting-edge cancer treatment with eco-friendly solutions, the company remains at the forefront of innovation, ensuring that both patients and the planet benefit from its groundbreaking advancements.