William F. Davidson Jr. is senior vice president of global marketing and investor relations for Qualcomm Incorporated. In this role, Davidson provides leadership for Qualcomm's marketing and public relations efforts worldwide and is the primary liaison with the investment community and Qualcomm shareholders. Previously, Davidson served as vice president of carrier relations for Qualcomm Internet Services (QIS). He worked closely with wireless service providers throughout the world to establish business opportunities based on Qualcomm's wireless data technology and service offerings.