top of page
School of Clinical Oncology Final (2).pn

Speakers Biography

Professor Indra J Das

Vice chair, Professor

Director of Medical Physics

Northwest University Feinberg

School of medicine

Chicago, United states

Dr. Indra Das is an internationally acclaimed Medical Physicist with expertise on radiation dosimetry, dose calculation, dose specification, small field dosimetry, treatment planning, nanoparticles, MR-linac, and proton beam therapy. He was born in a tiny village in India near Nepal border. He received his BSc, & MSc degrees from Gorakhpur University followed by Dip. Radiological Physics (DRP) from Bombay University while being trained at Bhabha Atomic Research Center, Bombay, India. He emmigrated to the US and earned his MS in Medical Physics from University of Wisconsin Madison (1984) and PhD degree from University of Minnesota, Minneapolis (1988).  


Dr. Das has worked in major academic centers; University of Massachusetts Medical Center, Fox Chase Cancer Center, University of Pennsylvania, Indiana University School of Medicine and NYU Medical Center.  He is a fellow of many societies as, FIPEM (UK), FAAPM, FACMP, FACR and FASTRO. He is also a recipient of the Farrington Daniels award of the AAPM (1988) and the Dr. Ramaiah Naidu Award for life time achievement, AMPI in 2015 along with many other accolades.


He has published extensively, over 230 papers and 25 books and chapters. He has served or is serving on the editorial boards of many journals, including Medical Physics, British Journal of Radiology, International Journal of Radiation Oncology Biology and Physics, Journal of Radiation Research and J Med Phys.

Professor Morten Høyer

Medical Director

Professor of Clinical Oncology

The Danish Centre for particle Therapy, Aarhus University Hospital

Morten Høyer, Professor, PhD and Medical Director of Danish Center for Particle Therapy. Specialist in clinical oncology and professor in clinical oncology.


Morten Høyer has specialized in radiation therapy of brain, liver, prostate, bladder and childhood cancer. Special research interests are proton therapy, clinical trials, radiation induced morbidity, radiobiology and immuno-radiotherapy. 

Morten Høyer has taught on ESTRO and IAEA teaching courses and is establishing an educational and training program under the European Network for Particle Therapy (EPTN).

Dr Matthew Callister

Adjunct Associate Professor of Radiation Oncology


Chief Medical Officer

Medical Director and Senior Physician

Executive, Banner MD Anderson Cancer Centre 2014-2018

Concord Medical Services

UT-MD Anderson Cancer Center

Dr. Callister is a radiation oncologist and oncology leader. He received his Doctor of Medicine from Duke University, followed by residency training at MD Anderson Cancer Center.  In early career he served on the faculty at Mayo Clinic Arizona, developing expertise in gastrointestinal, head and neck cancers, and intraoperative radiotherapy.  He subsequently led a new cancer center partnership between MD Anderson and Banner Health in Phoenix, Arizona.

Currently Dr. Callister is the Chief Medical Officer of Concord Medical Services, a cancer care delivery company that is developing international level services in mainland China.  He serves as the company physician leader, overseeing quality, standardization, and the clinical practice.

Professor Peter Hoskin

Consultant in Clinical Oncology

Professor in Clinical Oncology, University of Manchester Clinical Editor, Radiotherapy and Oncology

Mount Vernon Cancer Centre

Peter Hoskin trained in clinical oncology at the Royal Marsden Hospital London and has been consultant in clinical oncology at Mount Vernon Cancer Centre, Northwood UK since 1992. He is Professor in Clinical Oncology in the University of Manchester, Honorary Professor in Clinical Oncology at University College London and honorary consultant in clinical oncology at the Christie Hospital, Manchester and University College Hospital, London.


In Manchester he leads the Radiotherapy Related Research Group (RRR) and personal research interests focus on radiosensitisation, biomarkers, radiotherapy quality assurance, palliative radiotherapy, and brachytherapy.


He is a member of the GEC ESTRO committee and past member of the ESTRO Board. In the UK chairs the Fellowship Examination Board and the Academic Committee for the Royal College of Radiologists. He has published extensively and was Editor of Clinical Oncology for 15 years. He is now Clinical Editor for Radiotherapy and Oncology and sits on several journal editorial boards.

Clin Asst Professor Chua Eu Tiong

Senior Consultant Radiation Oncologist

Head, Division of Radiation Oncology NCCS 2008-2013

President, College of Radiology Singapore 2015-2016

National Cancer Centre Singapore

Professor Chua Eu Tiong works at National Cancer Centre Singapore in the Division of Radiation Oncology as a Senior Consultant. His professional appointments are as follows:

Chief, Department of Radiation Oncology, NUH, 1999-2001

National Cancer Centre Institutional Review Board 2002-2008

Chairman, Radiation Oncology Specialist Training Committee, 2006 -2013

Disease Outbreak Response Task Force, NCCS, Chairman (2011 - 2017)

IAEA National Project Coordinator (2012 - 2019)

Head of Radiation Oncology, National Cancer Centre 2008-2014

President, College of Radiologists, Singapore 2015-2017

Professor Jason Efstathiou

Radiation Oncologist & Clinical Co-director


Professor of Radiation Oncology, Harvard Medical School

Director, Genitourinary Service, Department of Radiation Oncology

Clinical Co-Director, The Claire and John Bertucci Center for Genitourinary Cancers


Dr. Efstathiou is Professor of Radiation Oncology at Harvard Medical School (HMS) and Director of the Genitourinary (GU) Division in the Department of Radiation Oncology and Clinical Co-Director of The Claire and John Bertucci Center for GU Cancers at Massachusetts General Hospital. He holds a BS from Yale University, MD from HMS, DPhil from the University of Oxford, and completed his residency training in the Harvard Radiation Oncology Program.

His busy and robust clinical practice focuses on treatment of patients with prostate, bladder, testicular and other urologic cancers, as well as proton beam therapy and brachytherapy. Delivery of first-rate excellent patient care is a focus and his commitment to patient care, service and mentorship has been recognized as honoree for the MGH Cancer Center's "The One Hundred", as nominee for the Brian A. McGovern Award for Clinical Excellence, as Health Professional of the Game (for the Patriots and Red Sox), as a MGH Mentor with Distinction, and as recipient of the 2021 A. Clifford Barger Excellence in Mentoring Award from HMS.

He is an internationally recognized leader in the field of GU malignancies and Radiation Oncology. His research has informed clinical guidelines and made novel contributions to organ preservation for bladder cancer and technology assessment of advanced/emerging therapies for prostate cancer including proton therapy. He is the recipient of significant grant funding and serves as the Principal Investigator of multi-center, NCI-sponsored, randomized trials in prostate and bladder cancer. He also remains active in evaluating biomarkers for bladder and prostate cancer outcomes. Other projects of his include the development of web-based patient decision aids/support tools, integrating Patient Reported Outcome Measures (PROMs) into practice, evaluating the multidisciplinary approach to cancer care, and global oncology outreach efforts with Botswana.

He lectures nationally and internationally and holds leadership positions in Oncology including within the cooperative groups (NRG Oncology - Vice-Chair GU Steering Committee and Bladder Lead), professional societies (ASTRO, ASCO, ABR, ACRO), and the National Cancer Institute (NCI). He also serves on patient advocacy organizations including the Bladder Cancer Advocacy Network (BCAN) and on the Board of Directors for the Massachusetts Prostate Cancer Coalition (MPCC). 

Prof. Dr. Ricky Sharma MD PhD


Clinical Oncologist

Physician Scientist Leader of Medical Research

Vice President of Clinical Affairs

Varian Medical Systems

Professor Ricky Sharma is a physician scientist leader of medical research at Varian Medical Systems. In addition to his role as Vice President of Clinical Affairs at Varian, he is an Honorary Clinical Professor at University College London and an Honorary Consultant in Clinical Oncology at University College London Hospitals, where he is a clinical oncologist. Over the past decade, Prof Sharma has led practice-changing international clinical trials and global initiatives to bring stakeholders together to improve combination treatments for patients with cancer

bottom of page