The event will take place on May 23 and 24.
Williams has 30 years of football coaching experience, including 21 in the NFL. He was hired by the Bears this offseason after spending the last four seasons as the Colts' safeties coach. He joined his former friend and mentor Matt Eberflus.
Cunningham was hired by new Bears general manager Ryan Poles to be his assistant general manager. He brings 14 years of front office experience, most recently with the Eagles as their director of player personnel.