Lawrence J. Rhoades

Machine Tool Builder

AMT Albert W. Moore Leadership Award


Larry was the founder and CEO of the Extrude Hone Corp. and the ExOne Company. He held a bachelor’s degree in economics and mechanical engineering from Brown University and a master’s in business from Northwestern University.

Larry was equally recognized and renowned as an entrepreneur, innovator, visionary, and manufacturing and machine tooling trailblazer as he was a philanthropist. Larry held more than 200 patents, developed 30 inventions, authored countless published works, and led Extrude Hone and ExOne to industry success.

He was a well-known supporter of the Pittsburgh Symphony, serving on its board of directors for 10 years. He also served for four years on the board of directors of the Pittsburgh Vintage Grand Prix Association and was involved with the organization for 15 years, which supported such charities as the Autism Society of Pittsburgh and the Allegheny Valley School.


Association for Manufacturing Technology