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University of California San Francisco

Our Team

Alon Witztum, PhD

Assistant Professor Division of Physics
Department of Radiation Oncology
Director, CADDI Lab

Actor, Hebrew speaker, and traveler

Meet Dr. Witztum

I am motivated by the chance to fight cancer in the clinic, educate the next generation in the classroom, and research new methods to solve problems in oncology.

Dr. Witztum is an Assistant Professor at the UCSF Department of Radiation Oncology. He received his DPhil in Oncology from the University of Oxford, UK and completed his residency at UCSF. His doctoral work was on incorporating spatial dose distribution information in toxicity models. His clinical interests are in data-driven insights, toxicity/outcome modeling, and clinical automation. He explores these themes through programming and machine learning techniques.



2012 University of Warwick Masters (MPhys), Bachelors (BSc) Physics
2014 University of Pennsylvania Masters (MMP) Medical Physics
2018 University of Oxford Doctorate (DPhil) Oncology
2019 University of California, San Francisco Residency Radiation Oncology

Professional Experience

2019-present University of California, San Francisco Assistant Professor Radiation Oncology

Awards & Honors

2021 Early Career Investigator Innovation Award, AAPM Practical Big Data Workshop
2019 Young Investigator Award, AAPM Northern California Chapter
2019 SLAM Competition Winner, AAPM Northern California Chapter
2017 Young Investigator Award, AAPM Spring Clinical Meeting
2017 Annual Fund Travel Award, Brasenose College, University of Oxford
2016 Runner Up, Best Talk Award, Oncology Student Symposium, University of Oxford
2015 Santander Academic Travel Award, University of Oxford
2015 MRC Supplementary Funding Award, University of Oxford
2014 MRC/Gray Institute DPhil Scholarship, University of Oxford



Recent Significant Publications

Hasse K, Scholey J, Ziemer BP, Natsuaki Y, Morin O, Solberg TD, Hirata E, Valdes G, Witztum A. Use of Receiver Operating Curve Analysis and Machine Learning With an Independent Dose Calculation System Reduces the Number of Physical Dose Measurements Required for Patient-Specific Quality Assurance. Int J Radiat Oncol Biol Phys. 2021 Mar; 109(4):1086-1095. PMID: 33197530

Chan MF, Witztum A, Valdes G. Integration of AI and Machine Learning in Radiotherapy QA. Front Artif Intell. 2020; 3:577620. PMID: 33733216

Witztum A, George B, Warren S, Partridge M, Hawkins MA. Unwrapping 3D complex hollow organs for spatial dose surface analysis. Med Phys. 2016 Nov; 43(11):6009. PMID: 27806596

Jones KC, Witztum A, Sehgal CM, Avery S. Proton beam characterization by proton-induced acoustic emission: simulation studies. Phys Med Biol. 2014 Nov 07; 59(21):6549-63. PMID: 25322212.

Dorsey JF, Sun L, Joh DY, Witztum A, Kao GD, Alonso-Basanta M, Avery S, Hahn SM, Al Zaki A, Tsourkas A. Gold nanoparticles in radiation research: potential applications for imaging and radiosensitization. Transl Cancer Res. 2013 Aug 01; 2(4):280-291. PMID: 25429358.

Redefining Possible