NEW YORK--(BUSINESS WIRE)--The following announcement was made in the form of a letter from Kenneth I. Chenault, American Express Chairman and Chief Executive Officer, to American Express (NYSE:AXP) employees today: TO: All American Express Employees and Contractors FROM: Ken Chenault DATE: May 29, 2015 RE: Ed Gilligan With the heaviest of hearts, I must share some devastating news. Ed Gilligan – President of our company and friend and inspiration to many inside and outside American Express – b