John Furner introduced himself to Walmart's 2.1 million employees with a "simple ask"—that they send him their biggest pain ...

Furner said he learned the value of hard work from his grandfather, who was a farmer.

The supermarket giant, Walmart, has steadily been establishing itself as the top retailer in the industry. However, in terms of optics, things have not been looking too good for the retailer recently.

Walmart is testing body-worn cameras for some employees to monitor escalating front-of-store customer interactions.