Walter MacMillan

Walter MacMillan, MS, CHP, CSP, currently serves as a Certified Health Physicist and Project Radiation Safety Officer at APTIM since March 2022. Previous positions include Radiation Protection Program Manager at Parsons Corporation, Radiological Protection Manager at Omega Technical Services, and Environmental Health Manager at Syncom Space Services, where MacMillan managed health physics efforts for key space missions. Additional experience encompasses roles such as Radiological Protection and Dosimetry Manager at Nuclear Waste Partnership, Radiological Protection Manager at Shaw Project Services Group, and Certified Health Physicist at Shaw Environmental and Infrastructure. MacMillan began a career in health physics as a Radiological Controls Manager at CH2M-Washington Group Idaho and has extensive supervisory experience in radiological protection at various facilities. Educational credentials include a Master's degree in Physics with a Health Physics concentration from Idaho State University and a Bachelor of Science in Accounting from the University of Phoenix.