Kenney is a 1973 San Clemente High School graduate. An outstanding athlete in high school, Kenney continued his football career in college at Saddleback College, University of Arizona and University of Northern Colorado where he earned a degree in business management. He later played quarterback for the Kansas City Chiefs from 1979- 1989 and was their most valuable player and Pro Bowl quarterback in 1983. Throughout his tenure with the Chiefs, Kenney gave back to the Kansas City community through numerous philanthropic and volunteer efforts.

Following retirement from football, Kenney opened his own real estate business. While continuing his business ventures, Kenney successfully ran in 1994 for the Missouri State Senate in which he is a current member. He serves on numerous legislative committees and commissions. He is a member of Fellowship of Christian Athletes and Athletes in Action, as well as an active supporter of his community's D.A.R.E. and Food for Families programs. Kenney often speaks to student athletes, including those at San Clemente High School, about the importance of staying in school, saying no to drugs and making a positive impact in the lives of others.

A role model for athletes and academics alike, Kenney has made it a priority in his life to help others. He has attained great success both on and off the athletic field and continues to serve as an example of excellence for current and future CUSD students. Kenney and his wife Sandi have four children.