Keith attended the University of Kansas where he met his wife, Shari. He was a member of the Sigma Phi Epsilon fraternity.
Prior to retiring, Keith worked for Olin Corporation in systems analysis. Upon his retirement, Keith volunteered for the planning commission of Blue Springs, Missouri and for the United First Methodist Church of Blue Springs.
Keith was preceded in death by his wife Shari Sullivan and son Cris Sullivan. He is survived by his son Todd Sullivan and husband Le Nguyen of Lenexa, Kansas; his son Shawn Sullivan and wife Nancy Sullivan of Blue Springs, Missouri; his grandson Kendall Sullivan and wife Danielle Sullivan of Kansas City, Missouri; his grandson Kyle Sullivan of Merriam, Kansas; his grandson Parker Sullivan of Fort Collins, Colorado; and his great-grandson Rory Sullivan of Kansas City, Missouri.
Visitation will be held at Mt. Moriah, Newcomer & Freeman Funeral Home, 10507 Holmes Road, Kansas City, MO 64131 on November 27, 2026, from 12:00 pm to 1:00 pm, followed by a Celebration of Life Service at the same location on November 27, 2026 at 1:00 pm. Burial will follow services in Mount Moriah Cemetery South.
In lieu of flowers, donations may be made to Alzheimer's Association.
