The site principal investigators, co-investigators, and researchers will be responsible for supervision of research staff, protocol development, patient accrual, initial data submission review, analysis of outcomes, and generation of PCORI milestone reports.
Mark Artz, PhD
UF Health Proton Therapy Institute
Physics Co-Coordinator
Curtis Bryant, MD, MPH
UF Health Proton Therapy Institute
Proton Co-Investigator and Co-Chair of Minority Engagement Group
Seungtaek Choi, MD
MD Anderson Cancer Center
Site PI
Brian Chon, MD
ProCure PTC
Site PI
Chunhee R. Choo, MD
Mayo Clinical Proton Beam Therapy (Rochester, MN)
Site PI
Robert Den, MD
Thomas Jefferson University
Site PI
Curtiland Deville, MD
Johns Hopkins Sidney Kimmel Cancer Center
Site PI and Co-Chair of Minority Engagement Group

Christian Hyde, M.D., DABR
Karmanos Cancer Institute
Site PI
Todd DeWees, PhD
Mayo Clinic Arizona
Lead Biostatistician
Gordon Guo, MD
UH Seidman Cancer Center
Site PI
Shona Dougherty, MB, ChB, PhD
University of Arizona
Site PI
Michael Durci, MD
Willis-Knighton Cancer Center
Site PI
Jason Efstathiou, MD, DPhli
MGH Francis H. Burr Proton Therapy Center
Site PI
Marcio Fagundes, MD
Miami Cancer Institute – Baptist Health South Florida
Site PI
Silvia Chiara Formenti, MD
Weill Cornell Medicine
Site PI
Joseph R. Grajo, MD
University of Florida
Diagnostic Radiology Coordinator
Tyler Gunter, MD
University of Oklahoma Health Sciences Center, Stephenson Cancer Center
Site PIĀ
William F. Hartsell, MD
Northwestern Medicine Chicago Proton Center
Site PI
Arthur Y. Hung, MD
Oregon Health & Science University
Site PI
Ashesh B. Jani, MD, MSEE, FASTRO
Emory University
Site PI
Christopher Jones, MD
Sutter Health
Site PI
Samir Kanani, MD
Inova
Site PI
Robert Lavey, MD, MPH
Provision
Site PI
Andrew Lee, MD, MPH
Texas Center for Proton Therapy
Site PI
W. Robert Lee, MD
Duke University
Site PI
Xiaoying Liang, PhD
UF Health Proton Therapy Institute
Physics Co-Coordinator
Stanley Liauw, MD
University of Chicago
Site PI
Andrew McDonald, MD, MS
University of Alabama at Birmingham
Site PI
David T. Marshall, MD
MUSC Hollings Cancer Center
Site PI
Nancy Mendenhall, MD
UF Health Proton Therapy Institute
COMPPARE PI and Site PI
Jeff Michalski, MD, MBA
S. Lee Kling Proton Therapy Center, Washington University
Site PI
Mark Mishra, MD
Maryland Proton Treatment Center
Site PI
Akash Nanda, MD, PhD
Orlando Health UF Health Cancer Center
Site PI
Sarah Osian, PhD
SIMED Health Psychology
Health Outcomes Researcher
Rahul Parikh, MD
Rutgers Cancer Institute
Site PI
Ryan Perkins, MD
Ackerman Cancer Center
Site PI
James Petrikas, D.O.
Texas Oncology-Plano West
Site PI
Alan Pollack, MD, PhD
University of Miami
Site PI
Carl Rossi, MD
California Protons: Proton Radiation Therapy Cancer Treatment Center
Site PI
Trevor J. Royce, MD, MPH, MS
UNC Chapel Hill
Site PI
Christopher Sinesi, MD
Hampton University PTI
Site PI
Nathan Sheets, MD
Rex Hospital – UNC
Site PI
Xinglei Shen, MD
University of Kansas Medical School
Site PI
Anand Shivnani, MD
Texas Oncology-McKinney
Site PI
University of Virginia
Site PI
Charles B. Simone, II, MD, FACRO
New York Proton Center
Site PI
Scott Silva, MD, PhD
University of Louisville
Site PI
Jerry D. Slater, MD
James M. Slater, MD Proton Treatment & Research Center (Loma Linda, CA)
Site PI
Timothy Struve, MD
University of Cincinnati
Site PI
Bernard W. Taylor, MD
Texas Oncology
Site PI
Rahul Tendulkar, MD
Cleveland Clinic
Site PI
Katherine Tzou, MD
Mayo Clinic (Jacksonville, FL)
Site PI
Neha Vapiwala, MD
University of Pennsylvania
Site PI
Justin Wray, MD, PhD
Texas Oncology-Waco
Site PI
Jing Zeng, MD
Seattle Cancer Care Alliance
Site PI
Robert Zlotecki, MD, PhD
University of Florida
Site PI
Note that the list of co-investigators and researchers will be updated periodically as new affiliated locations begin accruing patients.