Leadership
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CIRMS Leadership

Executive Committee 2026-2027

President

Shaheen Dewji, Georgia Institute of Technology

president@cirms.org

First Vice President

Leo Fifield, Pacific Northwest National Laboratory

Second Vice President

TBD

Immediate Past President

Cody Wilson, IBA Industrial Solutions

Treasurer and Secretary

Autumn Walter-Denzin, University of Wisconsin-Madison 

treasurer@cirms.org

Executive Secretary

Louise DeWerd, University of Wisconsin-Madison 

admin@cirms.org

Webmasters

Matthew Mille, National Cancer Institute
Jacob Lambeck
, Oregon Health and Science University 
webmaster@cirms.org

Former Leadership

Subcommittees

Medical Applications

Co-Chair: Stewart Becker, University of Maryland School of Medicine
Co-Chair:
 Wes Culberson, University of Wisconsin-Madison
Co-Chair: 
Matthew Mille, National Cancer Institute 
Co-Chair: Sergio Morató Rafet, National Cancer Institute

medical@cirms.org

Radiation Protection and Homeland Security

Co-Chair: Alex England, Hopewell Designs, Inc.
Co-Chair: Emmanuel Mate-Cole, Georgia Institute of Technology
Co-Chair: Jonathan Button, Centers for Disease Control and Prevention

radprotection@cirms.org

Radiation Processing and Material Effects

Co-Chair: Michael Christofaro, REVEAM
Co-Chair: Leo Fifield, Pacific Northwest National Laboratory
Co-Chair: Spencer Mickum, STERIS
Co-Chair: Kim Morehouse, US Food and Drug Administration (retired)
Co-Chair: Ileana Pazos, National Institute of Standards and Technology

Co-Chair: Cody Wilson, IBA

radprocessing@cirms.org

Student Representatives

Chair: Lianna Arnold, Georgia Institute of Technology

studentrep@cirms.org