Stengel joined P&G in 1983. He rose through a number of marketing brand positions and in 1991 was appointed advertising manager in the Food Division. He then served as marketing director of U.S. Cosmetic Products, before being appointed general manager, Czech and Slovak Republics, for P&G Europe, Middle East and Africa. He became vice president of P&G Baby Care in Western Europe and rose to the role of vice president, Global Baby Care, before assuming his current position as global marketing officer. Prior to P&G, he spent four years at Time Incorporated. Among his numerous affiliations, Stengel is currently chairman of the board of directors for Association of National Advertisers, and serves on the board of The Ad Council. He has served on the board of trustees of The Bryn Mawr School in Baltimore, Maryland, and is currently a trustee of the Cincinnati Ballet and the Seven Hills School. Stengel earned a bachelor's degree from Franklin & Marshall College and an M.B.A. from Pennsylvania State University.