Mr. Grogan was director of Coca-Cola Co.'s Coke brands at Interpublic Group of Cos., and executive vice president of Interpublic's McCann-Erickson Worldwide. Last December, Mr. Gorgan announced plans to take an executive post at AOL Time Warner's Global Marketing Solutions group.
In February, Coca-Cola named
Mr. Grogan did not return calls for comment. Calls to Andy Berlin, co-CEO of Berlin Cameron, were not returned at press time.
AOL Time Warner said Mr. Grogan left the company to "pursue other opportunities"; his last day was March 28.
"Bill Grogan did a great job in the short time he was here," said the president of Global Marketing Solutions, Mike Kelly, who added that a replacement will be named in the near future.