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