Ad Biz Friday Morning Stir By Kiran Aditham on Oct. 5, 2012 - 10:12 AM -Minus any formal review, MediaVest USA has taken over for Mediacom as media AOR for insurance brand, Travelers. -Archibald Ingall Stretton alum Jules Ridley joined Cheil UK as new business director. -Venice, CA-based prodco Slim ...