View Post Ad Biz | Agencies | People BETC Welcomes New Senior Creative Team By Erik Oster on Jul. 10, 2014 - 2:29 PM BETC has welcomed a new senior creative team in art director Stéphanie Thomasson and copywriter Marc Platet. The pair will work with BETC Creative Director Manoëlle Van der Vaeren. Thomasson arrives at BETC from Leo Burnett wher ...