Roger D. McKellips holds a bachelor's degree in business from the University of Kansas and has a foundational background in banking, having worked in the sector in Alcester. He served in the United States Army Air Forces during World War II, gaining experience in international environments as he was stationed in China and India. McKellips relocated multiple times, first to Lawrence, Kansas, and later to Dow Rummel Village in Sioux Falls, South Dakota in 2008.

Roger D. McKellips's career in banking and military service in World War II suggest a background that blends practical experience with a global perspective. His economic policy stances, rooted in his professional expertise, hint at a highly localized approach to business regulation. McKellips's legislative record reveals an intriguing convergence with opposing factions on environmental regulations, indicating a calculated strategy to protect regional industrial interests. This juxtaposition of seemingly disparate policy positions invites deeper examination into how he reconciles these tensions.