Ray has been with the National Park Service for 45 years. He began his career with the NPS in 1976 as a Park Ranger/Interpreter at Independence National Historic Park in Philadelphia and then as the Accessibility Coordinator at Boston National Historic Park. Ray was the Regional Accessibility Program Manager for the NPS North Atlantic Regional Office and the Chief of Visitor Services and Interpretation at Sagamore Hill National Historic Site. In 1992, Ray became an Accessibility Specialist with the Accessibility Management Program, PFMD, duty stationed at the National Center on Accessibility.
Ray has instructed at over 500 National Park Service and other federal, state and local training courses and conferences on accessibility on topics including Basic awareness training, Program and Physical Accessibility, Employment, Historic Preservation, Recreation Facilities, Hunting & Fishing, Outdoor Recreation, Universal Design and Interpretation. In 2013, Ray was appointed to the National Park Service’s National Accessibility Task Force.