Mr. Boxley has been President and Chief Executive Officer of Boxley Materials Company, a construction materials producer owned by Summit Materials, Inc. (NYSE: SUM), since 1988. Following the acquisition of Boxley by Summit, Mr. Boxley was appointed President of its Eastern Region in 2018. He currently serves as a director of RGC Resources, Inc. (Nasdaq: RGCO), Pinnacle Financial Partners, Inc. (NasdaqGS: PNFP) and the Carilion Clinic. Mr. Boxley also serves on the board of trustees for the Roanoke Regional Partnership, Business Council of Roanoke, GO Virginia Regional Council and Episcopal High School, Alexandria, Virginia.