Roy enrolled in mechanical engineering at Johns Hopkins in 1925, where he played lacrosse and was a member of the school's national championship team.
After returning from the Olympics, Roy joined Waverly Press, where he worked in engineering and later became a vice president.
He was appointed Director of Chesapeake Research Consortium, which covered environmental concerns of state of Maryland.
The Institute of Industrial Engineers (Maryland Chapter) created a Robert H. Roy medal to be given annually to a student from Baltimore Polytechnic School.
He also wrote Bragolections -- The career Adventures of a Poo-Bah—available at Johns Hopkins Library and a prized possession of many of his friends.