WASHINGTON–(BUSINESS WIRE)– #LetsSolveWater–Xylem (NYSE: XYL), a global water technology leader, today announced that D. Christian Koch has been appointed to the Company’s Board of Directors. Mr. Koch brings more than 30 years of global leadership experience spanning operations, manufacturing, strategy and business transformation. He currently serves as Board Chair, President and Chief Executive Officer of Carlisle Companies Incorporated, a leading supplier of innovative building envelope products and solutio