A graduate of Southwest Missouri State University, Berry's coaching career began as an assistant at Fort Scott Community Junior College in Fort Scott, Kansas. In 1964 he moved to Sterling College, where he was an assistant until March 1966 when he accepted the head coaching job at Fort Scott Community Junior College. Berry's tenure as FSCJC's head coached ended in June of the same year when he resigned to join the coaching staff at Southwest Missouri State.
From 1969-1970, Berry was the head coach at Missouri Southern State University, where he had an overall record of 4-15-1. After leaving MSSU, Berry served as the head coach at Northeastern Oklahoma A&M College and as the defensive line coach for the BC Lions.
On August 21, 1983, Berry replaced Joe Faragalli as head coach of the Saskatchewan Roughriders after a 1-5 start. The Roughriders finished last in the West Division in each of Berry's two seasons as head coach and on November 8, 1984 Berry was fired by the Roughriders.
- ↑ "Football Media Guide". Sterling Warriors. http://www.scwarriors.com/d/2011-12/2011_SC_Football_Media_Guide.pdf. Retrieved March 19, 2013.
- ↑ "Berry Resigns Here: Goes to Springfield". The Fort Scott Tribune. June 15, 1966. http://news.google.com/newspapers?id=CNYfAAAAIBAJ&sjid=J9kEAAAAIBAJ&pg=3981,2432392&dq. Retrieved 2010-08-10.
- ↑ "Missouri Southern State University Football Media Guide". Missouri Southern State University. http://docs.google.com/viewer?a=v&q=cache:tSzagLBzDgwJ:www.mssu.edu/athletics/football/mediaguide/history.pdf+Missouri+Southern+Rueben+Berry&hl=en&gl=us&pid=bl&srcid=ADGEESiXHhhK4MtBa9X3XI5-WwENnfWmnGHPuyBSziW-ctL-HigR12tzH604vUXkbWkmh9GMb63d6DEHjZZYRXeGoy7gURlE4Bjt2lJ0eu9X0lhMOFekFZ-dGrEP-stCGPX7AP3hJLCq&sig=AHIEtbRV9iLhNrkYUWAmrOopzqfT0_gfqA.
- ↑ "SPORTS PEOPLE; Comings and Goings". The New York Times. August 21, 1983. http://www.nytimes.com/1983/08/21/sports/sports-people-comings-and-goings.html. Retrieved 2010-08-10.
- ↑ "Roughriders give Berry, Herrera axe". The Montreal Gazette. November 9, 1984. http://news.google.com/newspapers?id=EUUwAAAAIBAJ&sjid=paUFAAAAIBAJ&pg=3678,5134787&dq. Retrieved 2010-08-10.