Shelf Engine’s CEO On Disruptive Innovation Without Disruptive Adoption And The AI-Driven Future Of Grocery Retail Shelf Engine’s CEO and co-founder Stefan Kalb is on a mission to eliminate food waste and revolutionize the grocery business through AI. In this wide-ranging Q&A, Kalb talks about the future of the grocery business, Shelf Engine’s growth and unique results-as-a-service model and more.