Agencies | People Dumoulin Out at Saatchi X? By Kiran Aditham on Apr. 27, 2012 - 12:36 PM Word on the Spy line is that Thierry Dumoulin, managing director of Saatchi & Saatchi X’s New York office, is no longer with the agency. Phone calls are leading to broken extensions and sources are saying Dumoulin’ ...