Barton retired from Caterpillar at age 64 on January 31, 2004, due to the company's mandatory retirement rule.
Glen Barton worked as a trainee in 1961 to 1964.
Upon notification of Barton's retirement, the board of directors at Caterpillar named James W. Owens as CEO
1964-1968, 1972-1975, sales associate for Caterpillar Overseas
1999-2004, chairman and CEO.
1987-1989, vice president of Caterpillar, president of Solar Turbines
1990-1998, group president
1989-1990, executive vice president
1975-1977, manager for South American Sales
1977-1983, manager of Merchandising Division, General Offices
1984-1986, manager in Products Control
Using the six-sigma structure beginning in 2001, Caterpillar uniformly achieved continuous improvement in the working culture
1983-1984, sales and product support manager in Industrial Lift Truck Division