Dr. William Brunsdon has been involved with nuclear and radiological security since 1980, when he served as a nuclear weapons security officer in the US Marine Corps. Since then he has provided physical security management at US Department of Energy nuclear weapons complex facilities; as a nuclear security specialist at the Pacific Northwest National Laboratory; and on behalf of the Russian Federation as a National Nuclear Security Administration federal manager for the DOE US/Russian Material Protection Control & Accounting (MPC&A) Program. Currently Dr. Brunsdon is employed with Secured Transportation Services, LLC, providing transportation security consulting to Oak Ridge National Laboratory.