Douglas R. Oberhelman
" Mr. Oberhelman was elected chairman and chief executive officer of Caterpillar in 2010 and relinquished these roles in 2017 and 2016, respectively. He was elected group president of Caterpillar in 2002; and vice president, Engine Products Division in 1998. He also served as vice president and chief financial officer of Caterpillar from 1995 to 1998."
- National Association of Manufacturers/Board of Directors
- Director, Nature Conservancy of Illinois
- Director, Bombardier (November 2017 - Present)
- Director, Exxon Mobil 
- Past public company directorships: Caterpillar (July 2010 - March 2017); Eli Lilly and Company (December 2008 - February 2015)