409 Elf Street
Box #3155 DUHS
Durham, NC 27710
Phone: 919-684-2194 Fax: 919-668-2783
Email: radsafety@dm.duke.edu

Wang, Chu, PhD, DABMP, CHP

Director, Radiation Safety
Radiation Safety Officer (RSO) for Duke University and Duke University Medical Center
Associate Faculty, Medical Physics Graduate Program
Assistant Professor, Department of Radiology
Phone: 919-668-3187
Email: chu.wang@duke.edu

Crider, Shane, MA

Safety & Health Specialist
Health Physicist
Phone: 919-668-2315
Email: shane.crider@duke.edu

Egan, Greg

Safety & Health Specialist
Health Physicist
Phone: 919-668-3158
Email: greg.egan@duke.edu

Gibbs, Brian

Safety Technician
Health Physics Technician
Phone: 919-668-3182
Email: james.gibbs@dm.duke.edu

Gunasingha, Rathnayaka, PhD

Accelerator Program Manager
Faculty, Duke Medical Physics Graduate Program 
Phone: 919-668-3189
Email: rathnayaka.gunasingha@duke.edu

Gutu, Tinashe, MS

Safety & Health Specialist
Health Physicist
Phone: 919-668-3183
Email: tinashe.gutu@duke.edu

Hyatt, Steven, MS

Safety & Health Specialist
Health Physicist
Phone: 919-668-3156
Email: steven.hyatt@duke.edu

Mangum, Terry

Safety Technician
Health Physics Technician
Phone: 919-668-3184
Email: terry.mangum@duke.edu

Nixon, Michelle

Administrative Assistant
Phone: 919-668-2781
Email: michelle.nixon@duke.edu

Omenya, Lorna, MS

X-Ray & Laser Safety Program Manager
Health Physicist
Phone: 919-668-3157
Email: lorna.omenya@duke.edu

Reiman, Robert (Bob), MD

Associate Professor(Radiology)
Faculty, Medical Physics Graduate Program
Phone: 919-668-3186
Email: robert.reiman@duke.edu

Smith, Aaron, MS

Safety & Health Specialist
Health Physicist
Phone: 919-668-3155
Email: aaron.k.smith@duke.edu

Truong, Liam

Safety & Health Specialist
Health Physicist
Phone: 919-668-3185
Email: liam.truong@duke.edu

Yoshizumi, Terry, PhD

Director Emeritus, Radiation Safety Division
Professor (Radiology and Radiation Oncology)
Phone: 919-668-3188
Email: terry.yoshizumi@duke.edu