Casey Carl

Title: Target Corp. president of multichannel and senior vice president of merchandising

Why selected: Carl is overseeing Target's transformation from a chain of brick-and-mortar stores into a digital retailer.

What happened: Target made big strides in its multichannel efforts, most notably the rollout of the company's digital coupon savings tool called Cartwheel. Target also debuted a service that allows customers to pick up in stores purchases they made on Target.com.

Thomas Lee