SVP-executive producer Scott Mitchell has been named director of creative broadcast production at FCB/Chicago. Chris Bing, who was formerly VP-executive producer, has been named deputy director of the department. ... Lee Hunt and Razorfish alum Bob English -- who was most recently creative director at thebritpack -- has joined RIOT/Manhattan as creative director. ... Julie Luehrman, formerly of production company Complete Pandemonium, has joined Radium's San Francisco office as VP-sales and marketing. In other hires, freelance bidder Matthew McManus has joined Radium/L.A. as executive producer and Michael Chizzo, formerly of Avenue Edit, has signed on as technical operations manager.