His retirement will take effect at the end of 2011. "I've had a wonderful ride there, working with great people," said Block. "There's a culture of winning and always seeking to get better." Block will be replaced by Joe Sivewright, the current president of Nestle Purina PetCare's Latin American & Caribbean division.
By Lindsay Beaton
As work continues on creating a new nutrition label that focuses on simplifying information for consumers, challenges remain.
By Tang Yu