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NEW YORK, USA // Bianca Posterli is a seasoned social strategist and brand marketer with experience at the intersection of media, technology, and culture. She is currently the Head of Social Marketing and Activations at Twitter where she leads strategic development, execution, and measurement across all priority campaigns like Twitter's 140 Collection. Previously she drove social innovation for brands and talent including Stila Cosmetics, Mode Media, Modelinia, IMG, Molly Sims, and Tyra Banks and was named a member of the Forbes 30 Under 30 list.