Officers & Board of Directors
During the ISRS General Assembly held in Sydney, Australia, on 2 June 2026, new Officers (2026–2028) and Board Members (2026–2029) were elected. The current leadership is composed of the following world-recognized experts in the fields of neurosurgery, radiation oncology and medical physics.
Officers
President
Jason Sheehan
Department of Neurological Surgery
University of Virginia
Charlottesville, USA
[email protected]
Vice President
Thierry Gevaert
Department of Radiotherapy
UZ Brussel
Brussels, Belgium
[email protected]
Secretary
Thomas Zilli
Radiation Oncology
Oncology Institute of Southern Switzerland (IOSI – EOC)
Bellinzona, Switzerland
[email protected]
Treasurer
Marc Levivier
Department of Neurosurgery & Neuro-radiosurgery
Hôpital de La Tour
Geneva, Switzerland
[email protected]
Past President
Arjun Sahgal
Department of Radiation Oncology
Sunnybrook Health Sciences Centre
Toronto, Canada
[email protected]
Board Members
Christos Boskos (2026-2029)
Consultant Radiation Oncologist
Saint Luke’s Hospital Radiosurgery Thessaloniki, Greece [email protected]
Christopher Cifarelli (2026-2029) Department of Neuroscience
Rockefeller Neuroscience Institute [email protected]
Elena De Martin (2024-2028)
Health Department
IRCCS Neurologic Institute C. Besta
Milano, Italy
[email protected]
Katarzyna Jerzak (2026-2029) Department of Radiation Oncology
Sunnybrook Odette Cancer Centre
Toronto, Canada
[email protected]
Justin Cheng-chia Lee (2026-2029)
Department of Functional Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan [email protected]
Victor Lee (2026-2029) Department of Clinical Oncology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong
[email protected]
Selçuk Peker (2024-2028)
Department of Neurosurgery
Koç Unviersity
Istanbul, Turkey
[email protected]
Daniel Tan (2024-2028)
Radiation Oncology
Asian Alliance Radiation
& Oncology (AARO)
Singapore
[email protected]
Ex Officio Members
Past Presidents
| 2024-2026 | Arjun Sahgal, Canada |
| 2022-2024 | Marc Levivier, Switzerland |
| 2019-2022 | Laura Fariselli, Italy |
| 2017-2019 | Ian Paddick, UK |
| 2015-2017 | Anthony De Salles, Brazil |
| 2013-2015 | Samuel Ryu, USA |
| 2011-2013 | Jean Régis, France |
| 2009-2011 | Dennis Shrieve, USA |
| 2007-2009 | Roberto Spiegelman, Israel |
| 2005-2007 | Robert Smee, Australia |
| 2003-2005 | Douglas Kondziolka, USA |
| 2001-2003 | David Larson, USA |
| 1999-2001 | William Friedman, USA |
| 1997-1999 | Jay Loeffler, USA |
| 1995-1997 | Christer Lindquist, Sweden |
| 1993-1995 | L. Dade Lunsford, USA |
| 1991-1993 | L. Dade Lunsford, USA |