Coach Tonya “Oppo” Fox currently holds the rank of purple belt. Coach “Oppo” has been an active fighter on the Sidewinder competition team since 2018 and has won and placed in various IBJJF and local tournaments around the DFW area and nation. Coach “Oppo” is the Head Coach of the Sidewinder kids program and the Competition Team Head Coach. “Oppo” is Professor Clements first full time female fighter and athlete, she holds the distinction of being the original sidewinder “Venom Vixen”. Coach “Oppo” is the founder and coordinator of the Sidewinder “Venom Vixen” group of female athletes. Coach Oppo is available for private sessions via the “contact me” button below.