Michael Grisham is making the rounds of banking conferences these days, trying to sell the men and women in pinstripes on the virtues of American Telephone & Telegraph Co.'s newest consumer wonder, the SmartPhone.

It's unusual both for the audience, which is not used to middle-aged salesmen with ponytails, and for Mr. Grisham, whose fields of interest have at times been miles away from banking.

Limited Time Offer

Save $400 off your subscription. Special offer ends April 30, 2017.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.