LONDON, Oct. 14, 2015 /PRNewswire/ -- Publicis Worldwide's global digital agency Nurun, has appointed Dawn Winchester, chief digital officer of Publicis North America, as its Global Managing Director. She will work alongside Steve Tremblay, Nurun's global chief technology officer, and will report on a global level to Arthur Sadoun, CEO, Publicis Worldwide while continuing to report to Andrew Bruce for her North America responsibilities. Winchester will take on a dual capacity across both roles with immediate effect.read more