L.A. Jennings is a former amateur kickboxer and submission wrestler. She owns a Mixed Martial Arts gym in Denver, Colorado, called Train.Fight.Win., where she teaches kickboxing, submission wrestling, and MMA. She regularly corners MMA, kickboxing, and submission wrestling fighters in regional, sanctioned events. Jennings is a regular contributor to VICE on fighting sports history and has been interviewed by NPR, The Economist, Cosmopolitan, and the HISTORY channel (episode forthcoming) as an expert on the history and culture of MMA.