Alon Witztum

Alon Witztum, PhD is an Associate Professor in the Department of Radiation Oncology at the University of California, San Francisco (UCSF) School of Medicine. His academic appointments and research activities focus on advancing radiation oncology through innovative physics applications, environmental sustainability, and artificial intelligence integration.

His educational background includes:

• DPhil in Oncology from University of Oxford (2018)
• Master of Medical Physics from University of Pennsylvania (2014)
• Master of Physics and Bachelor of Science in Physics from University of Warwick (2012)
• Physics Residency at UCSF (2019)

Dr. Witztum's research primarily centers on two converging domains: environmental sustainability in radiation oncology and artificial intelligence applications in radiotherapy quality assurance. His work on reducing the carbon footprint of radiation therapy facilities has gained significant attention, particularly his research on SF6 emissions reduction and life cycle assessments of radiotherapy environmental impacts. Simultaneously, he has made substantial contributions to AI integration in radiotherapy QA, developing methods to optimize quality assurance processes through machine learning and independent dose calculation systems. His research bridges clinical practice with technological innovation, aiming to improve both treatment efficacy and environmental responsibility in cancer care.

Analysis of his publication trajectory reveals a clear evolution toward sustainable radiation oncology practices, with a significant increase in publications related to environmental impact assessment between 2023-2025. His work spans technical medical physics, clinical implementation, and broader healthcare sustainability frameworks, demonstrating interdisciplinary expertise that connects radiation oncology with environmental science and data analytics.

His scientific recognition includes:

• AAPM Practical Big Data Workshop 2021 Early Career Investigator Innovation Award
• AAPM Northern California Chapter 2019 Young Investigator Award
• AAPM Northern California Chapter 2019 SLAM Competition Winner
• AAPM Spring Clinical Meeting 2017 Young Investigator Award

Dr. Witztum actively collaborates with colleagues across UCSF's Radiation Oncology department, particularly with researchers specializing in medical physics, AI applications, and clinical oncology. His work on the Operational Ontology for Oncology (O3) demonstrates engagement with broader informatics standards development for cancer care. While specific grant information isn't detailed in the provided materials, his publication record suggests sustained research funding supporting his work in sustainable radiation oncology and AI applications.

His research group appears focused on developing practical solutions for environmental sustainability in radiation therapy facilities while simultaneously advancing quality assurance methodologies through computational approaches. This dual focus positions his work at the intersection of technological innovation and environmental responsibility in cancer care delivery.