Omnicom CEO John Wren, whose 2012 remuneration is listed as $42.6 million, was the eleventh highest paid U.S. executive according to a tabulation by Bolt Insurance, which is circulating an infographic with headshots of the CEOs.

Wren's pay is just above that of JPMorgan CEO Jamie Dimon, which is $41.9M.

Activists are criticizing OMC's governanceand pay practices to excutives.