STAFF TEAM

Lex DeVille - Owner/Lead Coach

Lex DeVille – CJAJJ Owner & Head Coach

Lex is a U.S. Army Veteran who earned his BA and MA in Psychology. He is currently a PhD student conducting dissertation research in Combat Sports Psychology. Lex is an active competitor with over 150 matches in the last two years across 7 states. He’s earned gold medals in Gi, NoGi, and Absolute divisions, and is currently ranked #6 in NoGi and #12 in Gi worldwide with American Grappling Federation.

Lex has cornered all belt colors in competition, and has coached numerous people through their first gold medal wins. He served as an Assistant Coach for kids classes at Springfield Fight Club from May, 2025 to July of 2026 when he relocated to Carl Junction. Currently, Lex is a stand-in instructor for adult Jiu Jitsu classes at local gyms, and sometimes works as staff for major tournament organizations. He is extremely passionate about helping kids and adults achieve their goals with Jiu Jitsu whether they aspire to compete or they just want to have fun.

Lacy DeVille - Administrative Assistant

Lacy DeVille – Administrative Assistant

Lacy is a U.S. Air Force Veteran who earned an A.A. in Financial Management and a B.A. in Accounting. She’s currently pursuing an M.A. in Exercise Science. Lacy is an active Jiu Jitsu competitor and often serves on the Staff Team for Jiu Jitsu tournament organizations like FUJI, Newbreed and the Chewjitsu Open. Lacy handles CJAJJ backend management and assists with demonstrating techniques. In 2026, Lacy earned her first competition wins and even competed in her first Superfight in Bolivar, MO.

Lilith and Lex

Lilith DeVille – Assistant Coach

Lilith is all smiles and makes friends wherever she goes. She loves to dance, talk, and roll. Lilith has competed in 13 interstate tournaments over the last two years, winning against boys and girls, and earning multiple gold medals. Lilith is always ready to help her partners and teammates. She demonstrates techniques for kids classes, helps create our instructional videos, and sits in the coach’s seat for most of Lex’s competition matches. Lilith’s favorite submission is the Guillotine Choke. She’s also fond of the Kimura and the North-South Choke.