Martin Sorrell Resigns as Chief of WPP Advertising Agency Mr. Sorrell had been facing an allegation of personal misconduct. The company said an investigation concluded the issue did not involve amounts that were “material.” Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Women’s Marches Around the World Reflect Worry Over Violence and PopulismNorthern Ireland Car Bombing Leads to Two ArrestsThousands in Greece Protest Macedonia Deal Days Before Parliament VotesNorway and Canada Go Head to Head Over the World’s Tallest Moose StatuesFiery Blast in Mexico Kills DozensCongo Court Affirms Results of Contested Presidential Election