KEY POINTS
  • The food industry is changing faster than ever before, said Mondelez's outgoing CEO, Irene Rosenfeld.
  • She cited changes in consumers and the retail environment.
  • Rosenfeld has led the global snack powerhouse since 2012 when it was spun off from Kraft, where she served as CEO since 2006. Her successor, Dirk Van de Put, will take over as CEO on Nov. 20.

The food industry is changing faster than ever before, said Mondelez's outgoing CEO Irene Rosenfeld.

"I mean, we have seen the most profound changes in the consumer, in the customer base, in the channel penetration, in our competitive actions. And as a result, it's been probably the magnitude and the speed of those changes is bigger than any I have seen in my career," Rosenfeld told CNBC's"Squawk on the Street" on Tuesday.