Administrative Appointments
- Member of Editorial Board, Journal of Gastrointestinal Oncology (2010
- present)
- Member of Senior Editorial Board, American Journal of Nuclear Medicine and Molecular Imaging (2010
- present)
- Director of Radiation Physics Division, Department of Radiation Oncology, Stanford University (2010
- present)
- Chief of Medical Physics Research, Department of Radiation Oncology, Stanford University (2007
- present)
- Member of ZRG1 (Quick Trials on Imaging and Image-Guided Intervention) section, National Institute of Health (2008
- present)
- Member of Clinical Research and Cancer Epidemiology (CCE) Committee, American Cancer Society (2006
- present)
- Member of international advisory board, Physics in Medicine and Bilogy (2008
- present)
- Associate Editor, Medical Physics Journal (2003
- 2008)
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