Having declared war on the bank credit card industry, senior American Express Co. executives are beginning to live far less serene lives than those depicted in the company's advertising.

At the beach recently in Naples, Fla., for a team-building exercise, Robert V. Sicina, president of the company's Latin American and Caribbean division, organized ocean raft races against "Visa."

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.