Current Chairman, CEO and Founder Steve Ells to Become Executive Chairman with Primary Focus on Innovation Upon Completion of Search DENVER, 2017-Dec-01 — /EPR Retail News/ — Chipotle Mexican Grill (NYSE: CMG) today (Nov. 29, 2017) announced that Steve Ells, chairman and CEO – and the founder of the company in 1993 – will become executive chairman following the completion of…