Our Committee

Jay Flanz

PTCOG Chairman

Jay Flanz joined the Massachusetts General Hospital and Havard in 1993 and became the Project Director and Technical Director of the Burr Proton Therapy Center. A central focus for Dr. Flanz is the continuing upgrading of the beam delivery modality for optimal patient treatments.

Tadashi Kamada

PTCOG Vice-Chairman

Tadashi Kamada is currently the director at the Research Centre for Charged Particle Therapy, Independent Administrative Agency National Institute of Radiological Sciences, which is the pioneer of Japanese heavy ion radiotherapy facilities.

Marco Durante

PTCOG Vice-Chairman

Marco Durante dedicated his research efforts to the biophysics of heavy ions, with applications in cancer therapy and space radiation protection. He worked on heavy ion biophysics in several institutes in USA, Europe, and Japan.

Eugen Hug

Past PTCOG Chairman

Eugen Hug is a world-renowned expert in proton radiotherapy. A pioneer in the use of proton therapy for pediatric tumours, Dr. Hug has spent more than 20 years treating patients, teaching, writing and conducting research.

Martin Jermann

PTCOG Secretary

Huan Giap

Chairman of Publication Subcommittee

Dr. Huan Giap is a radiation oncologist in San Diego, California and is affiliated with multiple hospitals in the area. He received his medical degree from University of Texas Medical School and has been in practice for more than 20 years.

Anita Mahajan

Radiation Oncologist

Dr. Anita Mahajan is a Radiation Oncologist at the Mayo Clinic in Rochester, Minnesota. She specialises in Proton Therapy and Stereotactic radiosurgery.

James Metz

Co-Chairman of Education Subcommittee

Dr. Metz serves as Chair of Radiation Oncology at the Perelman School of Medicine and holds the Henry K. Pancoast Endowed Professorship. He is Associate Director for Clinical Services and Programs at the Abramson Comprehensive Cancer Center of the University of Pennsylvania. Dr. Metz led the development of the Roberts Proton Therapy Center, the largest proton center in the world completely integrated with conventional cancer services.

Prof. Ran Mackay

The Christie

Ran Mackay is Director of Medical Physics & Engineering at The Christie - a regional physics service supporting The Christie in Manchester, its two satellite sites at Oldham and Salford, and beyond.

Prof. Karen Kirkby

University of Manchester

Professor Karen Kirkby was appointed to The Richard Rose Chair in Proton Therapy Physics in 2014, and leads the Manchester PBT Research Group. Karen has been involved in the study of ion beams for over 30 years.

Dr Ed Smith

PTCOG Steering Committee Representative, The Christie

Ed Smith is a Clinical Oncologist specialising in Paediatrics and Proton Clinical Director at The Christie. He leads the Clinical Group of the Proton Therapy Programme in Manchester, and has been involved with the Programme since the beginning.

James Weightman

The Christie

James Weightman is the Service Manager for Proton Therapy, responsible for business and administration in the Proton Centre. Lead buyer and project manager during the design and development stages, James is now integrated into the Clinical Oncology team of cancer managers at The Christie.

Anita Mahajan

Co-Chairman of Scientific Program Subcommittee, Clinics

Dr. Anita Mahajan is the medical director for the Proton Therapy Center and the director of Pediatric Radiation Oncology in the Department of Radiation Oncology at the University of Texas M.D. Anderson.

Antony Lomax

Paul Scherrer Institute

Head of Physics Research and Support, Center for Proton Therapy at Paul Scherrer Institute, the largest research institute for natural and engineering sciences within Switzerland.

Marcelo Vazquez

LLUMC

Prof. Ran Mackay

The Christie

Ran Mackay is Director of Medical Physics & Engineering at The Christie - a regional physics service supporting The Christie in Manchester, its two satellite sites at Oldham and Salford, and beyond.

Prof. Karen Kirkby

University of Manchester

Professor Karen Kirkby was appointed to The Richard Rose Chair in Proton Therapy Physics in 2014, and leads the Manchester PBT Research Group. Karen has been involved in the study of ion beams for over 30 years.

Dr Ed Smith

PTCOG Steering Committee Representative, The Christie

Ed Smith is a Clinical Oncologist specialising in Paediatrics and Proton Clinical Director at The Christie. He leads the Clinical Group of the Proton Therapy Programme in Manchester, and has been involved with the Programme since the beginning.