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ERHS Department Faculty

Jac A. Nickoloff, Ph.D.
Professor, Department Head 

 
 
 

 
 Epidemiology Section

Annette M. Bachand, Ph.D.
Associate Professor

 
 
 
 
 
 

Maggie Clark, Ph.D.
Assistant Professor

 
 
 
 
 
 

Sheryl Magzamen, Ph.D.
Assistant Professor

 
 
 
 
 
 

Jennifer Peel, Ph.D.
Associate Professor, Section Head

 
 
 
 
 

Health Physics Section

Thomas B. Borak, Ph.D.
Professor

 
 
 
 
 
 

Alexander Brandl, Ph.D.
Assistant Professor

 
 
 
 
 
 

Thomas E. Johnson, Ph.D.
Associate Professor, Section Head

 
 
 
 
 
 

Georg Steinhauser, Ph.D.
Assistant Professor

 
 
 
 
 
 

 
 Industrial Hygiene/Occupational and Environmental Health Section

Kenneth D. Blehm, Ph.D.
Professor
CVMBS Associate Dean for Undergraduate Education

 
 
 
 
 
 

William J. Brazile, Ph.D.
Assistant Professor

 
 
 
 
 
 

David P. Gilkey, Ph.D.
Associate Professor, 
Director of ERHS Undergraduate Education

 
 
 
 
 

Stephen J. Reynolds, Ph.D.
Professor,Section Head
Associate Department Head

 
 
 
 
 
 

John C. Rosecrance, Ph.D.
Professor

 
 
 
 
 
 

Delvin R. Sandfort, M.S.
Associate Professor,
Director, Occupational Health and Safety Consultation

 
 
 
 
 

John Volckens, Ph.D.
Associate Professor,
 

 
 

 
 Radiobiology/Radiation Cancer Biology and Oncology Section

Christopher Allen, Ph.D.
Assistant Professor

 
 
 
 
 
 

J. Lucas Argueso, Ph.D.
Assistant Professor and Boettcher Investigator

 
 
 
 
 
 

Susan M. Bailey, Ph.D.
Associate Professor

 
 
 
 
 
 

Joel S. Bedford, Ph.D.
Professor

 
 
 
 
 
 

James T. Custis, D.V.M.
Assistant Professor
Diplomate, ACVR (Radiation Oncology)

 
 
 
 
 

Paula Genik, Ph.D.
Assistant Professor

 
 
 
 
 
 

Takamitsu A. Kato, Ph.D.
Assistant Professor

 
 
 
 
 
 

Susan LaRue, Ph.D., D.V.M.
Professor
Diplomate, ACVR (Radiation Oncology),
Diplomate, ACVS

 
 
 
 

Howard L. Liber, Ph.D.
Professor

 
 
 
 
 
 

F. Andrew Ray, Ph.D.
Associate Professor

 
 
 
 
 
 

Michael Weil, Ph.D.
Professor

 
 
 
 
 
 

Claudia Wiese, Ph.D.
Assistant Professor

 
 
 
 
 
 

Toxicology Section

Gregory Dooley, Ph.D.
Assistant Professor

 
 
 
 
 
 

Dwayne W. Hamar, Ph.D.
Associate Professor

 
 
 
 
 
 

William H. Hanneman, Ph.D.
Professor

 
 
 
 
 
 

Marie E. Legare, Ph.D., D.V.M.
Associate Professor, Section Head

 
 
 
 
 
 

Howard S. Ramsdell, Ph.D.
Associate Professor

 
 
 
 
 
 

Elizabeth P. Ryan, Ph.D.
Assistant Professor

 
 
 
 
 
 

Ronald B. Tjalkens, Ph.D.
Professor

 
 
 
 
 
 

Veterinary Diagnostic Imaging Section

Myra Barrett, D.V.M.
Assistant Professor
Diplomate, ACVR

 
 
 
 
 

Susan L Kraft, Ph.D., D.V.M.
Professor, Section Head, Director of Imaging Research
Diplomate, ACVR (Radiation Oncology)
Diplomate, ACVR (Diagnostic Imaging)

 
 
 
 

Angela J. Marolf, D.V.M.
Associate Professor,
Director and Coordinator, Radiology Residency
Diplomate, ACVR

 
 
 
 

Elissa K. Randall, D.V.M.
Assistant Professor,
Diplomate, ACVR

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Contact Us:
​1681 Campus Delivery
Fort Collins, Colorado 80523-1681

Phone:
(970) 491-7038

Fax:
​(970) 491-2940