He is also a licensed professional engineer in Nuclear Engineering and a Certified Health Physicist. He is also a Fellow of the American Physical Society and has a Joint Faculty Appointment with Oak Ridge National Laboratory through the Consortium for Nonproliferation Enabling Capabilities. He served for many years in the federal radiological monitoring and assessment center as an assessment scientist and as a team scientist for the radiological assistance program. He conducted the consequence assessment for the WIPP event of 2014 and was part of the emergency response and recovery effort which followed.