Joseph Mahon was born in Philadelphia. His early education was completed at Lower Merion High School, Ardmore, Pennsylvania (1944); and at the U.S. Navy V-12 Program (1944-46). Mr. Mahon attended Villanova College, receiving a BS in Naval Science (1947) and a BS in Mechanical Engineering (1948). In 1965, he also attended the Carnegie Mellon Graduate School Program for Executives.
Mr. Mahon began working for Aramco in 1951 at the company’s engineering department in New York City. The following year he moved to Saudi Arabia, where he commenced his 30-year career in the Kingdom as an Operations Service Engineer and later as a Design Engineer in Ras Tanura. He then transferred to Dhahran where in 1961 he was made Coordinator of Budget and Programs, reporting directly to Aramco’s President and charged with overseeing the company's budget and planning activities. From 1963 until 1968, he served as Superintendent of Plants and then as District Engineer in Abqaiq. In 1968, Mr. Mahon returned to Dhahran and for the next 14 years served in various managerial positions, as Manager of Organization and Industrial Engineering, Organization Development Coordinator of the Grid Program, Director of Planning, and eventually becoming Vice President of Project Planning, Engineering and Construction in 1976.
Two years later Mr. Mahon was promoted to the position of Senior Vice President, Corporate Services, where he was responsible for purchasing, material supply, contracting, electronic data processing, communications, and office services.
Mr. Mahon retired in 1982. He currently resides with his wife Ruth in St. Petersburg, Florida.