InfoComm 2016: Joel Rollins Interviews Project Manager Fabian Stumpfl of AV StumpflJune 21, 2016 | Home / June 21, 2016 rave-video / InfoComm 2016: Joel Rollins Interviews Project Manager Fabian Stumpfl of AV Stumpfl InfoComm 2016: Joel Rollins Interviews Project Manager Fabian Stumpfl of AV Stumpfl