Mehmood Khan on Remaking R&D at PepsiCo & Sustainability

When you hear that Mehmood Khan oversees global research and development at PepsiCo , it’s hard not to think of the fizzy, caramel-colored beverage that was invented in 1893. (It was originally known — no joke – as “Brad’s Drink.”) But the $63 billion food and beverage giant…