Without giving details, Frito-Lay North America Chief Marketing Officer Ann Mukherjee said in a separate interview that Doritos Locos Tacos have also boosted sales volume for Frito-Lay, which supplies taco shells for Taco Bell.

WSJ: Doritos to roll out chips in 'Taco Bell' flavor

By age 37 he was running the company's crown jewel, the worldwide power-tools business, but he had a falling out with his boss and quit abruptly in 1999, accepting an offer to head Frito-Lay North America.

FORBES: Rebirth of a salesman

By age 37 he was running the company's crown jewel, the worldwide power tools business, but he had a falling out with his boss and left abruptly in 1999, accepting an offer to head Frito-Lay North America.

FORBES: Rebirth of a Sales Man