PTCOG Steering Committee
Institutional Members & Members of the Steering Committee:
| Argentina | Argentine PTC, Buenos Aires | Gustavo Santa Cruz |
| Australia | Australian Bragg Center, Adelaide | Michael Penniment |
| Austria | MedAustron, Wiener Neustadt | Eugen Hug |
| Belgium | PARTICLE, Leuven | Tom Depuydt |
| Canada | TRIUMF, Vancouver | Cornelia Hoehr |
| China | WPTC, Zibo | Zhang Jianguang |
| SPHIC, Shanghai | Guo-Liang Jiang | |
| WHITC, Wuwei | Qiang Li | |
| SINAP PTC, Shanghai | Zhentang Zhao | |
| Zhuozhou Proton Therapy Center, Hebei | Xianshu Gao | |
| Guangzhou Concord Cancer Center, GCCC | Shen Fu | |
| Hefei Ion Medical Center (HIMC), Hefei City, Anhui | Hsiao-Ming Lu | |
| Shandong Proton Center, Shandong Cancer Hospital & Institute, Jinan | Jinming Yu | |
| HKSH Proton Therapy Center, Hong Kong SAR | Amy Chang | |
| Czech Republic | Proton Therapy Center, Prague | Jiri Kubes |
| Denmark | Danish Center for Particle Therapy (DCPT), Aarhus | Morten Hoyer |
| France | Institute Curie, Orsay | Remi Dendale |
| CAL, Nice | Marie Vidal | |
| CYCLHAD F. Baclesse Regional Cancer Center, Caen | J.-L. Habrand | |
| Germany | HIT, Heidelberg | Juergen Debus |
| Helmholtz-Zentrum, Berlin | Andrea Denker | |
| WPE, Essen | Beate Timmermann | |
| MIT, Marburg | Sebastian Adeberg | |
| Universitätsklinikum Carl Gustav Carus, TU Dresden, Dresden, Dresden | Esther Troost | |
| India | Apollo Hospitals, Chennai | John Chandy |
| Italy | Catania, Sicily | Giacomo Cuttone |
| CNAO, Pavia | Marco Pullia | |
| APSS, Trento | Marco Cianchetti | |
| IEO, Milan | Roberto Orecchia | |
| Humanitas, Milan | Marta Scorsetti | |
| Japan | QST, Chiba | Hitoshi Ishikawa |
| NCC, Kashiwa | Tetsuo Akimoto | |
| PMRC, Tsukuba | Takeji Sakae | |
| HIBMC, Hyogo | Yusuke Demizu | |
| Shizuoka Cancer Center | Shigeyuki Murayama | |
| FPH-PTC, Fukui | Hiroyasu Tamamura | |
| Heavy Ion Medical Center, Gunma | Tatsuya Ohno | |
| Southern-Tohoku PTC, Koriyama | Masao Murakami | |
| Medipolis PTRC, Ibusuki | Takashi Ogino | |
| i-ROCK, Kanagawa CC, Yokohama | Shinichi Minohara | |
| Hokkaido University Hospital PTC, Sapporo | Hidefumi Aoyama | |
| Norway | Oslo University Hospital, Oslo | Marianne Guren |
| Haukeland University Hospital, Bergen | Einar Waldeland | |
| Poland | IFJPAN, Krakow | Renata Kopec |
| Russia | ITEP, Moscow | Vladimir Khoroshkov |
| JINR, Dubna | Gennady Mytsin | |
| PNPI, Saint-Petersburg | Dimitri Seliverstov | |
| MIBS Dr. Berezin, Saint-Petersburg | Arkadi Stolpner | |
| Saudi Arabia | Saudi Particle Therapy Center, Ryiadh | Mushabbab Al Asiri |
| Singapore | NCCS PBT, Singapore | Michael Wang |
| Proton Therapy Pte Ltd, Singapore | Djeng Shih Kien | |
| South Africa | IThemba LABS, Capetown | Jaime Nieto-Camero |
| South Korea | NCC, Ilsan-gu, Seoul | Tae Hyun Kim |
| KIRAMS, Nowon-gu, Seoul | Mi-Sook Kim | |
| Samsung PTC, Seoul | Heechul Park | |
Heavy Ion Therapy Center, Yonsei Cancer Center, Seoul | Woong Seop Keum | |
| Spain | Quironsalud Radioterapia de Protones, Madrid | Alejandro Mazal |
| Cancer Center Clinica Universidad de Navarra, Madrid | Felipe Calvo Manuel | |
| Sweden | The Skandion Clinic, Uppsala | Alexandru Dasu |
| Switzerland | PSI, Villigen | Damien Weber |
| Taiwan (Chinese Taipei) | National Taiwan University Cancer Center, Taipei | Sung-Sin Kuo |
| Chang Gung Memorial Hospital, Linkou | Joseph Tung-Chieh Chang | |
| Veterans General Hospital Heavy Ion Therapy Center, Taipei | Yu-Ming Liu | |
| Medical University Hospital, Taipei | Jeng-Fong Chiou | |
| China Medical Univ. Hospital (CMUH), Taichung | Clifford Chao | |
| Taichung Veterans General Hospital, Taichung | Yung-Fa LU | |
| Thailand | Her Royal Highness Maha Chakri Sirindhorn Proton Therapy Center, Bangkok | Chonlakiet Khorsprasert |
| The Netherlands | UMCG Proton THerapy Center, Groningen | Stefan Both |
| ZON Maastricht PTC, Maastricht | Mirko Unipan | |
| HollandPTC, Delft | Mischa Hoogeman | |
| UK | Center for Oncology, Clatterbridge | Linda Mortimer |
| UCLH, NHS Foundation Trust, London | Yen-Ching Chang | |
| The Christie, NHS Foundation Trust, Manchester | Ed Smith | |
| USA | MGH Cancer Center, Boston | Helen Shih |
| LLUMC, Loma Linda, CA | Jerry Slater | |
| M.D. Anderson, Houston, TX | Steven Frank | |
| USCF, Berkeley, CA | Kavita Mishra | |
| FPTI, Jacksonville, FL | Nancy Mendenhall | |
| Roberts PTC , UPenn, PA | James Metz | |
| Hampton Univ. PT Institute, Hampton, VA | Allan Thornton | |
| McLaren PT Center, Flint, Michigan | Hesham Gayar | |
| California Protons, San Diego, CA | Andrew Chang | |
| North Western Medicine Chicago Proton Center, Chicago, IL | Stephen Mihalcik | |
| Oklahoma Proton Center, Oklahoma City, OK | John Chang | |
| Fred Hutch CC Proton Therapy, Seattle, WA | Jing Zeng | |
| ProCure PTC, Somerset, New Jersey, NY | Brian Chon | |
| Washington University, St.Louis, MO | Stephanie Perkins | |
| Mayo Clinic, Rochester, MN | Robert Foote | |
| Mayo Clinic, Scottsdale, AZ | Jonathan Ashman | |
| Willis-Knighton CCenter, Shreveport, LA | Lane Rosen | |
| Thompson Proton Center, Knoxville, TN | Sammie G. Hedrick | |
| Texas Center for Proton Therapy, Irving, TX | Andrew K. Lee | |
| Maryland Proton Treatment Center, Baltimore, MD | Matthew Witek | |
| University of Cincinnati Health PTC, Cincinnati, OH | Anthony Mascia | |
| New York Proton Center, New York, NY | Charles B. Simone | |
| Emory Proton Therapy Center, Atlanta, GA | Mark McDonald | |
| Beaumont Proton Therapy Center, Detroit, MI | Rohan Deraniyagala | |
| Miami Cancer Institute, Baptist Healt, Miami, FL | Minesh Mehta | |
| University of Miami Sylvester PTC, Miami, FL | Michael P. Buktus | |
| Johns Hopkins Proton Therapy Center, Washington, D.C. | Curtiland Deville | |
| Inova Schar Cancer Institute, Fairfax, VA. | Ashish Chawla | |
| The James Cancer Hospital PTC, Columbus, OH. | Arnab Chakravarti | |
| Penn Medicine Virtua Proton Center, Southern New Jersey, NJ. | Graeme Williams | |
| Lancaster General Hospital Proton Center, Lancaster, PA. | Pam Boimel | |
| Mayo Clinic Florida Particle Therapy, Jacksonville, FL. | Chris Beltram | |
| OSF Health Care Cancer Institute, Peoria, IL. | James L. McGee | |
| Stanford University School of Medicine, Dep. of Radiation Oncology, Stanford, CA. | Billy W. Loo | |
| University of Wisconsin-Madison, WI. | Ben Durkee | |
| Lynn Cancer Institute, Boca Raton, FL. | Suresh Rana |