Selden Trimble has been an invaluable asset to chess in the state of Missouri and to the Missouri Chess Association. Selden has been on both the playing and organizing side of chess for well over thirty years and has donated a large amount of time, energy, and money to ensure the successful progression of chess. Selden has been a chess coach and mentor to elementary schools, secondary schools, and the University of Missouri-Rolla. His over the board accomplishments include an expert rating, several Missouri Class Championships, and the 2009 Missouri Open Champion with a perfect 5-0 score. Selden, a retired mathematics professor, currently resides in Rolla with his wife Joyce.