With a rumoured predisposition to going shoeless around the office and a past life as a guitar player in a band, Indra Nooyi was one of the more colourful CEOs in the corporate world of global drinks. But, that's not the only reason the woman once described as a "hippie" in one of her many stage introductions will be missed when, as announced yesterday, she passes the PepsiCo baton to her global president, Ramon Laguarta.