"As chief engineer, Ralph will be responsible for the overall review and technical readiness of all NASA programs. The chief engineer serves as the agency's principal advisor on the execution of our programs and projects with proper controls and management of technical risks and ensures our work is planned and conducted on a sound engineering basis."
Controversial Appointment At NASA, Daily Press (2003)
"A key player in the doomed Columbia shuttle mission was named director of a new safety office at NASA Langley Research Center on Friday. Ralph Roe, one of a team of people who dismissed falling foam debris as a threat to the shuttle during its final flight, is now director of the NASA Engineering and Safety Center."