Keynote Lecture Speaker
Steven J. Frank
Executive Director, Particle Therapy Institute
Department of Radiation Oncology, Division of Radiation Oncology
The University of Texas MD Anderson Cancer Center
USA
Steven J. Frank
Executive Director, Particle Therapy InstituteDepartment of Radiation Oncology, Division of Radiation Oncology
The University of Texas MD Anderson Cancer Center
USA
Steven J. Frank, MD, is an endowed tenured professor of Radiation Oncology, holds the Bessie McGoldrick Professorship in Clinical Research, and is a fellow of the ABS, ACR, and ASTRO. Dr. Frank is the Executive Director of the Particle Therapy Institute and Deputy Head of Strategy for the Division of Radiation Oncology. Dr. Frank is amongst the first, if not the first, to use IMPT to treat head and neck tumors, and he is the Principal Investigator of an NIH/NCI/Hitachi-sponsored multi-institutional Phase II/III randomized trial in advanced stage oropharyngeal cancer that compares outcomes after chemoradiation given by IMRT versus IMPT.
Dr. Frank has over 300 peer-reviewed publications, has authored many book chapters and has recently published the first textbook on Proton Therapy. Dr. Frank's lab is studying the biologic enhancement factor of proton therapy and FLASH radiotherapy for both head and neck and prostate cancer, as well as MRI-Assisted Radiosurgery (MARS) as the next generation of prostate brachytherapy. Dr. Frank's expertise in MRI radiotherapy has led to the development and FDA approval of multiple novel positive-contrast implantable markers for use in MRI-guided LDR and HDR prostate brachytherapy and external beam radiation therapy.
As founder of the company, C4 Imaging, Dr. Frank has developed the MRI marker technology at MD Anderson, has been granted 31 national and international patents, developed three FDA-approved products and has established MRI-Assisted Radiosurgery (MARS) at MD Anderson for the treatment of prostate cancer. He has funding from the NIH, the Prostate Cancer Foundation, the Texas Ignition Fund, Hitachi and MD Anderson, and he has also raised multiple rounds of private equity financing to advance the C4 technology. Dr. Frank has served as the past President and Chairman of the Board of the American Brachytherapy Society and is the 2023 recipient of the Ulrich Henschke Award, the highest honor awarded by the ABS on a practitioner of brachytherapy.
Dr. Frank has served as the chair for the head and neck oral boards for seven years and is currently serving on the Radiation Oncology Board of Trustees for the American Board of Radiology.
G-One Ahn
Associate Professor
College of Veterinary Medicine
Seoul National University
Republic of Korea
Jonathan Ashman
Medical Director of Proton Therapy Program
Associate Professor
Department of Radiation Oncology
Mayo Clinic
USA
Jonathan Ashman
Medical Director of Proton Therapy ProgramAssociate Professor
Department of Radiation Oncology
Mayo Clinic
USA
Jonathan B. Ashman, M.D., Ph.D. is a radiation oncologist at Mayo Clinic in Phoenix, Arizona, USA. Dr. Ashman currently holds the rank of Associate Professor in the Mayo Clinic College of Medicine and Science. He serves as the Medical Director of the Mayo Clinic Arizona Proton Therapy program.
Dr. Ashman received his medical and graduate degrees from the University of Chicago Pritzker School of Medicine. He completed radiation oncology residency at Memorial Sloan-Kettering Cancer Center in New York, New York, USA.
Dr. Ashman's clinical specialties include treatment of CNS tumors (brain/base of skull/spine), sarcoma (extremity, retroperitoneal, chordoma/chondrosarcoma), and gastrointestinal malignancies (esophagus, stomach, pancreas, hepatobiliary, colorectal, anus).
National positions include membership on the National Association for Proton Therapy (NAPT) Physician Advisory Committee and on the American Society for Radiation Oncology (ASTRO) Guidelines Committee. Dr. Ashman is an Associate Editor (Gastrointestinal Oncology section) for the International Journal of Radiation Oncology-Biology-Physics (IJROBP).
Martin Bues
Lead Proton Physicist and Associate Professor of Radiation Oncology
Department of Radiation Oncology
Mayo Clinic
USA
Kin-yin Cheung
Senior Medical Physicist
HKSH Medical Group
Hong Kong
Kin-yin Cheung
Senior Medical PhysicistHKSH Medical Group
Hong Kong
Dr. Kin Yin Cheung is a Senior Medical Physicist at HKSH Medical Group. He has been involved with the continual development and implementation of a comprehensive range of state-of-the-art radiotherapy technologies and treatment modalities in HKSH, including planning and commissioning the proton therapy system. Before joining HKSH in 2011, he was a Senior Physicist at Prince of Wales Hospital, HA. He is an Honorary Member of Hong Kong College of Radiologists, Fellow of IOMP, Fellow of IUPEM, Fellow of IPEM, Fellow of HKIE, a Chartered Engineer and a Chartered Radiation Protection Personnel. He is also Chairman of Hong Kong Institution of Physicists in Medicine, Founding President of AFOMP, Past President of IOMP, and Past President of IUPESM.
Chen-yu Chou
Senior Medical Physicist
Department of Radiation Oncology
Chang Gang Memorial Hospital, Linkou branch
Taiwan
Chen-yu Chou
Senior Medical PhysicistDepartment of Radiation Oncology
Chang Gang Memorial Hospital, Linkou branch
Taiwan
Chen-Yu Chou is a highly skilled medical physicist with over a decade of experience in radiation therapy. He holds an M.S. in Medical Technology and Engineering and is currently pursuing a doctoral degree. Certified as a radiotherapist, radiation protection specialist, and medical physicist, Chou has been a key member of Linkou Chang Gung Memorial Hospital since 2014. He leads quality assurance for a wide range of radiotherapy systems, including linear accelerators, proton systems, brachytherapy, and CT. Chou specializes in developing advanced treatment plans for various cancer types, including photon and proton therapy, and plays a key role in the proton stereotactic radiosurgery program. His research interests include planning optimization, MRI simulation, and proton therapy, resulting in numerous publications and presentations. An invited speaker at conferences, Chou has held leadership roles as Supervisor of the Society of Medical Physics and served as an Oral Examiner for the Medical Physicist License Examination in Taiwan.
Young-yi Han
Professor
Department of Radiation Oncology
Samsung Medical Centre
Republic of Korea
Young-yi Han
ProfessorDepartment of Radiation Oncology
Samsung Medical Centre
Republic of Korea
Dr. Youngyih Han is a professor at Sungkyunkwan University and a medical physicist at Samsung Medical Center in South Korea. She earned her Ph.D. in physics from Northeastern University, Boston, and has dedicated her career to advancing radiation oncology medical physics. With extensive academic and clinical experience, she has played a key role in introducing advanced radiation therapy techniques, including proton therapy, IMRT, IGRT, and tomotherapy at Samsung Medical Center.
Dr. Han has held leadership positions in both international and domestic professional societies, serving as Chair of the Asia-Oceania Particle Therapy Cooperative Group and past President of the Korean Society of Medical Physics. Her research focuses on improving radiation therapy, enhancing patient safety, and integrating AI-driven technologies. A recipient of multiple research grants and patents, she continues to contribute to medical physics, helping to improve the accuracy of cancer treatments and patient care.
Leon Ho
Medical Physicist I
Medical Physics Department
HKSH Eastern Medical Centre
Hong Kong
Leon Ho
Medical Physicist IMedical Physics Department
HKSH Eastern Medical Centre
Hong Kong
Dr. Leon Chin Chak HO received his B.Eng. and Ph.D. degrees from The University of Hong Kong (HKU) in 2011 and 2016, respectively. Following his doctoral studies, he joined Hong Kong Sanatorium & Hospital (HKSH) Medical Group as a medical physicist. After receiving his board-certification in radiation oncology physics from the Hong Kong Institution of Physicists in Medicine (HKIPM), Dr. Ho was appointed as an honorary assistant professor by the Department of Diagnostic Radiology at The University of Hong Kong. His research interests include MR-guidance in radiation therapy, as well as the development of MR-integrated workflows in radiotherapy and proton therapy.
Chia-ho Hua
Director of Medical Physics Research
Department of Radiation Oncology
St. Jude Children's Research Hospital
USA
Chia-ho Hua
Director of Medical Physics ResearchDepartment of Radiation Oncology
St. Jude Children's Research Hospital
USA
Dr. Chia-ho Hua earned his PhD in Biomedical Engineering from The University of Michigan in Ann Arbor, where he studied radionuclide tomographic imaging. He received postdoctoral and clinical training in therapeutic medical physics at Memorial Sloan-Kettering Cancer Center in New York. He was certified by the American Board of Radiology in Therapeutic Medical Physics in 2004. Dr. Hua joined the faculty at St. Jude in 2005 and is currently a Full Member and the Director of Medical Physics Research. His research aims to improve proton therapy targeting accuracy, advanced imaging for precision radiation oncology, and predictive modeling for radiation effects in children. Dr. Hua is also the Physics Committee Chair of the Children's Oncology Group Radiation Oncology Discipline and the steering committee member of the Pediatric Normal Tissue Effects in the Clinic (PENTEC) international consortium. In 2023, Dr. Hua was elected as a Fellow of the American Association of Physicists in Medicine (FAAPM).
Hsiao-chieh Huang
Chief Medical Physicist
Department of Radiation Oncology
Chang Gang Memorial Hospital, Linkou branch
Taiwan
Hsiao-chieh Huang
Chief Medical PhysicistDepartment of Radiation Oncology
Chang Gang Memorial Hospital, Linkou branch
Taiwan
Hsiao-Chieh Huang is the Chief Medical Physicist at Chang Gung Memorial Hospital, Linkou. Since joining in 2004, he has been involved in the commissioning and acceptance testing of linear accelerators and proton therapy systems. He played a key role in establishing quality assurance (QA) protocols and operational guidelines at CGMH. During the early development of the proton center, he was responsible for beam data collection, treatment planning system (TPS) validation, and QA implementation. Currently, he leads the medical physics team, overseeing clinical services and research projects to improve treatment accuracy and efficiency. His expertise spans both proton and photon therapy, with a focus on optimizing QA methodologies and advancing proton therapy applications.
Michael Kam
Honorary Consultant
Comprehensive Oncology Centre
Hong Kong Sanatorium & Hospital
Hong Kong
Mintra Keawsamur
Lecturer
Department of Radiology, Faculty of Medicine
Chulalongkorn University, Thailand
Mintra Keawsamur
LecturerDepartment of Radiology, Faculty of Medicine
Chulalongkorn University, Thailand
Dr. Mintra currently serves as a lecturer at Chulalongkorn University, where she teaches both undergraduate and graduate programs in radiological technology and medical physics. She has over a decade of experience working as a medical physicist at King Chulalongkorn Memorial Hospital and has participated in training programs at renowned international institutions, including the Paul Scherrer Institut (Switzerland) and the National Centre of Oncological Hadrontherapy (Italy).
Her research interests include proton therapy, brachytherapy, and dosimetry, with several ongoing projects aimed at developing treatment guidelines and quality assurance protocols. She has received multiple accolades, such as the Young Leaders Award 2022 from SEAFOMP and the Excellence Award in the Radiation Oncology Medical Physics (ROMP) training program.
Dr. Mintra is also an active member of professional organizations, including the Thai Medical Physics Society and PTCOG-AO, and has authored numerous scientific publications and book chapters in the field of radiotherapy.
Lin Kong
Radiation Oncologist
Fudan University Shanghai Cancer Center
China
Dr. Thomas Leung
Honorary Consultant in Medical Oncology
Director of the Clinical Trial Centre
Hong Kong Sanatorium and Hospital
Dr. Thomas Leung
Honorary Consultant in Medical OncologyDirector of the Clinical Trial Centre
Hong Kong Sanatorium and Hospital
Dr. Leung is currently Honorary Consultant in Medical Oncology, Director of the Clinical Trial Centre, at the Hong Kong Sanatorium and Hospital. He is also Honorary Associate Professor of the Department of Medicine in the Chinese University of Hong Kong. He was previously Professor in the Department of Clinical Oncology of Chinese University of Hong Kong until 2003 when he assumed the current position.
Dr. Leung has over 160 publications in peer-reviewed journals and 9 book chapters mainly on hepatocellular carcinoma (HCC), with a special focus on the management strategy in patients with advanced HCC and in the Asian population. Dr Leung also participated in various international consensus panels and gave recommendation on the use of systemic treatment, as well as the use Y-90 microspheres radioembolization. His research interests are non surgical treatment for advanced HCC.
Zuo-feng Li
Physics Director
Guangzhou Concord Cancer Hospital
China
Hsiao-ming Lu
Director of Physics and Technology
Hefei Ion Medical Center
China
Hsiao-ming Lu
Director of Physics and TechnologyHefei Ion Medical Center
China
Hsiao-Ming Lu, PhD. is an ABR certified clinical physicist and a fellow of Association of American Physicist in Medicine. He has been working in the field of proton therapy physics since 2003 and served as the Director of Clinical Physics in the Department of Radiation Oncology at Massachusetts General Hospital, Harvard Medical School, Boston, before he returned to China in 2019. He is now the Director of Physics at Hefei Ion Medical Center, Anhui Provincial Hospital, Chinese University of Science and Technology, Hefei, China.
Brigette Ma
Professor
Department of Clinical Oncology
The Chinese University of Hong Kong
Brigette Ma
ProfessorDepartment of Clinical Oncology
The Chinese University of Hong Kong
Dr Brigette Ma is currently Professor and Honorary Consultant at the Department of Clinical Oncology, Chinese University of Hong Kong (CUHK), Medical Director of the Phase I Clinical Trial Centre (Oncology) and Chair of the NTEC-CUHK ethics committee for phase 1 studies. She received her undergraduate degree with Honours at Monash University, Australia, and was awarded Fellow of the Royal Australasian College of Physicians, Fellow of Hong Kong College of Physicians, and Doctor of Medicine (CUHK).
Dr Brigette Ma underwent training in Medical Oncology at the Peter MacCallum Cancer Institute, Melbourne, and was Research Fellow at the Princess Margaret Hospital, Toronto, Canada. She has published over 200 peer-reviewed papers. Notably, she had been a Faculty member of the European Society of Medical Oncology (ESMO) in Gastrointestinal Cancer, and was a member of the Consensus Working Group for the management of metastatic colorectal cancer; executive member of the National Cancer Institute (Bethesda, USA) Head and Neck Cancer Steering Committee - Clinical Trials Planning Group on Nasopharyngeal Cancer, Co-chair of Widely Metastatic Group; mentor and committee member of the Women in Cancer Research of the American Association of Cancer Research; and Scientific Co-chair of ESMO (Asia) conference 2023 in Singapore.
Her other current roles included: member of the Joint Scientific Committee for Phase 1 Clinical Trials, Centre of Health Protection, Hong Kong Hospital Authority; Track Chair/ member of the Scientific Committee American Association of Cancer Research, ESMO congresses. She is study chair for NRG oncology clinical trial in NPC, Scientific Co-chair of the ESMO Targeted Anticancer Therapies Asia Congress 2025 and co-chairs for some ESMO advanced course/ workshops concerning early drug development. She is Associate Editor of Oral Oncology and is member of the Editorial Board for ESMO Open (GI) and Clinical Colorectal Cancer amongst other journals.
Yoshikazu Maeda
Professor
Division of Human and Artificial Intelligent Systems Graduate School of Engineering
University of Fukui
Japan
Yoshikazu Maeda
ProfessorDivision of Human and Artificial Intelligent Systems Graduate School of Engineering
University of Fukui
Japan
Dr Yoshikazu Maeda is a Professor in Division of Human and Artificial Intelligent Systems Graduate School of Engineering, University of Fukui, Japan (2025-preset). He graduated from Osaka University in 2000 with a Ph.D. in Experimental Nuclear Physics. He was a Research Scientist in Nuclear Physics Institute, Research Center Juelich GMBL, Germany (2001-2006), and in Research Center for Nuclear Physics, Osaka University (2000-2001,2006-2009). He was a senior researcher and medical physicist in Fukui Prefectural hospital proton therapy center (2009-2025). He was engaged in the construction of a proton therapy facility (2009-2011) and realized the safe operation of the facility. His main research interests include the proton dose calculation using the Monte Carlo method and the study of CT image-guided proton therapy, where the efficacy of CT image guidance in prostate cancer and liver cancer and the importance of online proton dose monitoring. A support technology based on AI technology for lesion recognition in CT image is now main topics.
Lisa McGee
Radiation Oncologist
Department of Radiation Oncology
Mayo Clinic Arizona
USA
Lisa McGee
Radiation OncologistDepartment of Radiation Oncology
Mayo Clinic Arizona
USA
Dr. McGee is a Radiation Oncologist and Assistant Professor on staff at the Mayo Clinic in Arizona. Her disease-site interests include breast cancer as well as head and neck malignancies with a focus in proton therapy. She is also active in education, serving as Residency Program Director at the Mayo Clinic in Arizona amongst other educational roles.
Tatsuya Ohno
Chair and Director
Department of Radiation Oncology
Gunma University Heavy Ion Medical Center
Japan
Tatsuya Ohno
Chair and DirectorDepartment of Radiation Oncology
Gunma University Heavy Ion Medical Center
Japan
Dr. Ohno is a radiation oncologist, Professor and Chair of Department of Radiation Oncology of Gunma University, and Director of Gunma University Heavy Ion Medical Center, Japan. He is also Chair of the Asia-Oceania Particle Therapy Cooperative Group (PTCOG-AO). He is a core member of the particle therapy community in Japan, and active member of the Japan Carbon-ion Radiation Oncology Study Group (J-CROS). He has served as a Course Director on International Training Course on Carbon-ion Radiotherapy (ITCCIR) co-hosted by QST hospital and Gunma University since 2012. He has published more than 250 papers on clinical and basic research and has collaborated many overseas particle therapy projects.
Ramesh Rengan
Peter Wootton Professor and Chair
Department of Radiation Oncology, UW Medicine
SVP, Fred Hutchinson Cancer Center
USA
Ramesh Rengan
Peter Wootton Professor and ChairDepartment of Radiation Oncology, UW Medicine
SVP, Fred Hutchinson Cancer Center
USA
Dr. Ramesh Rengan is currently the Peter Wootton Chair and Professor in the Department of Radiation Oncology at the University of Washington School of Medicine and the Senior Vice President and Director in Radiation Oncology Division at the Fred Hutchinson Cancer Center. He also holds a joint appointment as faculty of the Integrated Immunotherapy Research Center, Fred Hutchinson Cancer Center. His clinical interests include thoracic malignancies, melanomas (including ocular melanoma), renal cell carcinoma, and prostate cancer. Additionally, he has clinical expertise in the use of proton beam therapy in the management of localized and locally advanced solid tumors. His research interests include approaches to improve the therapeutic ratio in solid tumors to ionizing photon or proton radiation, pre-clinical and clinical strategies to utilize radiation to trigger an anti-tumor immune response in patients with advanced solid malignancies. He also has an interest in healthcare disparities and expanded access to radiation treatment in low-resource environments and Photon- and Proton based radiation regimens to trigger an immune response to augment immunotherapeutic platforms in solid malignancies including NSCLC, melanoma, lymphoma, and renal cell carcinoma.
Hideyuki Sakurai
Professor and Chairman
Department of Radiation Oncology, University of Tsukuba
Director
Proton Beam Therapy Center, University of Tsukuba Hospital
Japan
Hideyuki Sakurai
Professor and ChairmanDepartment of Radiation Oncology, University of Tsukuba
Director
Proton Beam Therapy Center, University of Tsukuba Hospital
Japan
Hideyuki Sakurai received the medical degree in Gunma University in 1988 and the PhD degree in 1996. In 1992, he served as visiting scientist in Medical Research Council at Cambridge University in UK.
He is currently a professor and Chairman in Radiation Oncology, Institute of Medicine, University of Tsukuba. He is also Director in Proton Beam Therapy Center, University of Tsukuba Hospital. He has been holding leadership, supervisory and administrative positions in particle therapy research in Japanese Society of Radiation Oncology (JASTRO), because he has been chair of particle therapy committee in JASTRO. In addition, brachytherapy, hyperthermia and boron neutron capture therapy are also his special interest. He has published over 500 articles on the basic research, translational medicine and clinical trial in radiation oncology.
Dayananda Sharma
Professor and Head
Department of Medical Physics
Apollo Proton Cancer Centre
India
Terence Tai-weng Sio
Professor of Radiation Oncology
Department of Radiation Oncology
Mayo Clinic Arizona, Phoenix, AZ
USA
Terence Tai-weng Sio
Professor of Radiation OncologyDepartment of Radiation Oncology
Mayo Clinic Arizona, Phoenix, AZ
USA
Terence T. Sio, M.D., M.S., is Professor of Radiation Oncology and radiation oncologist who specializes in both X-ray based and proton radiotherapies. His main focuses are in gastrointestinal, lung, and brain cancers including brain metastasis treatments using stereotactic radiosurgery (SRS). He has a strong interest in ion beam radiotherapies internationally
Hong-qi Tan
Deputy Head of Medical Physics
Division of Radiation Oncology
National Cancer Centre
Singapore
Toshiyuki Terunuma
Assistant Professor / Medical Physicist
Proton Medical Research Center
University of Tsukuba
Japan
Jeffrey Kit-loong Tuan
Head
Department of Gastrointestinal Hepato-pancreato-biliary and
Urology Division of Radiation Oncology
National Cancer Centre Singapore
Singapore
Jeffrey Kit-loong Tuan
HeadDepartment of Gastrointestinal Hepato-pancreato-biliary and
Urology Division of Radiation Oncology
National Cancer Centre Singapore
Singapore
Clinical Associate Professor Jeffrey Tuan is the Head and Senior Consultant Radiation Oncologist in the Department of Hepato-Pancreato-Biliary, Gastrointestinal, and Genitourinary Radiation Oncology in the Division of Radiation Oncology at the National Cancer Centre Singapore (NCCS). He is also a Clinical Associate Professor in Oncology Academic Program (ACP) of the Duke-NUS medical school. He graduated from the National University of Singapore (NUS) and holds a Master of Science in Oncology from the University of London. He is a fellow of the Royal College of Radiologists (RCR), United Kingdom and honorary secretary of the College of Radiologists (CRS), Academy of Medicine Singapore (AMS).
His clinical interests are in urological and gynaecological cancers and advanced radiation therapy techniques e.g. volumetric modulated arc therapy, stereotactic body radiotherapy, and brachytherapy. He was involved in the setup of the new proton beam therapy centre located in the National Cancer Centre Singapore opened in 2023.
Damien Weber
Head and Chairman
Center for Proton Therapy
Paul Scherrer Institute PSI
Switzerland
Damien Weber
Head and ChairmanCenter for Proton Therapy
Paul Scherrer Institute PSI
Switzerland
Damien Charles Weber has been Head and Chairman of the Center for Proton Therapy at the Paul Scherrer Institute since 2013. He has currently a faculty position both at the University of Zürich and Bern. He trained as a radiation oncologist at the University Hospital of Geneva and was a clinical and research fellow at the General Massachusetts Hospital/Harvard Medical School, after which he worked at PSI when coming back to Switzerland.
His domain of expertise is Neuro-Oncology for adults and pediatric patients and has been past Chair both for the Radiation Oncology Group of the European Organization for the Research and Treatment of Cancer and for the Swiss Association for the Research in Radiation Oncology.
He is currently the Co-Chairman of the European Particle Therapy Network (European Society of RadioTherapy and Oncology; ESTRO) and member of ESTRO's Scientific Council. He is also a member of the research council of the Swiss Pediatric Oncology Group.