Nestlé this week (31 July) officially opened the new headquarters for its operations in the US, proclaiming the move a "catalyst" for its "transformation" in its largest market by sales. In 2017, the Lean Cuisine and Gerber maker saw its growth stall in the US. How is the food giant looking to kick-start its business in a market going through profound change? Dean Best caught up with Rui Barbas, chief strategy officer for Nestlé's US arm, to find out more.