Robert J. Aben retired on June 30, 2010 from his role as chief boiler inspector in Michigan. A fourteen-year veteran of the US Coast Guard, he was an authorized inspector for Hartford Steam Boiler prior to becoming assistant chief inspector in 1989. He became chief inspector and a National Board member in 1990. In 2008 he was elected chairman of the board and served in that role until his retirement.

Gary Myrick retired on July 1, 2010 from his position as the chief boiler inspector for the state of Arkansas. Mr. Myrick worked as a state boiler inspector in Arkansas for 22 years. In 2003 he became chief inspector and eventually went on to serve 29 years with the state of Arkansas.