- 2020 - present
MemberWorking Group on "Ask the Expert", American Association of Physicists in Medicine
- 2019 - present
MemberPhysics Core Curriculum Task Force, American Society for Radiation Oncology
- 2016 - present
Voting MemberWork Group on Particle Beams, American Association of Physicists in Medicine
- 2015 - present
MemberAmerican Society for Radiation Oncology
- 2005 - 2006
MemberInternal Proton Executive Committee, University of Texas M.D. Anderson Cancer Center
- 2003 - present
MemberParticle Therapy Cooperative Group
- 2003 - present
MemberAmerican Association of Physicists in Medicine
- 2003 - present
MemberClinical Commissioning of Proton Therapy Systems Task Force, American Association of Physicists in Medicine