Officers & Board of Directors
During the ISRS General Assembly held in New York City, USA on 15th May 2024, new Officers and Board Members were elected for 2024-2028. The current leadership is composed of the following world-recognized experts in the fields of neurosurgery, radiation oncology and medical physics.
Officers

President
Arjun Sahgal
Department of Radiation Oncology
Sunnybrook Health Sciences Centre
Toronto, Canada
arjun.sahgal@sunnybrook.ca

Vice President
Jason Sheehan
Department of Neurological Surgery
University of Virginia
Charlottesville, USA
jsheehan@virginia.edu

Secretary
Thierry Gevaert
Department of Radiotherapy
UZ Brussel
Brussels, Belgium
thierry.gevaert@uzbrussel.be

Treasurer
Cecelia Gzell
Radiation Oncology
ICON Cancer Care NSW
Sydney, Australia
cecelia.gzell@icon.team

Past President
Marc Levivier
Department of Neurosurgery
CHUV/University of Lausanne
Lausanne, Switzerland
marc.levivier@chuv.ch
Board Members

Veronica Chiang (2025-2029)
Department of Neurosurgery
Yale University School of Medicine
Connecticut, USA
veronica.chiang@yale.edu

Elena De Martin (2024-2028)
Health Department
IRCCS Neurologic Institute C. Besta
Milano, Italy
Elena.demartin@istituto-besta.it

Alessandra Gorgulho (2019-2026)
Department of Neurosurgery
Rede D’Or Star
São Paulo, Brazil
a_gorgulho@yahoo.com

Selçuk Peker (2024-2028)
Department of Neurosurgery
Koç Unviersity
Istanbul, Turkey
peker@selcukpeker.com

Daniel Tan (2024-2028)
Radiation Oncology
Asian Alliance Radiation
& Oncology (AARO)
Singapore
dtan@aaro.sg

Daniel Trifiletti (2022-2026)
Mayo Clinic
Jacksonville, USA
trifiletti.daniel@mayo.edu

Shoji Yomo (2022-2026)
Division of Radiation Oncology
Nagano, Japan
yomoshoji@gmail.com

Thomas Zilli (2024-2028)
Radiation Oncology
Oncology Institute of Southern Switzerland (IOSI – EOC)
Bellinzona, Switzerland
Thomas.Zilli@eoc.ch
Ex Officio Members
Past Presidents
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 |