Dave Ratner joined Syniverse in 2016 and leads Syniverse’s Enterprise Solutions portfolio, including business development, sales, product management, technology and development, implementation, support, and service, as President, Enterprise Solutions. Dr. Ratner brings more than 18 years of executive experience with leading mobile, software and technology companies. Prior to joining Syniverse, he served as CEO and President of Openwave Messaging, a messaging, communication and security solutions provider. Previously, Dr. Ratner was a special adviser to a number of CEOs and senior-level executives, including the CEOs at Openwave Systems and SpeechCycle, and before that he was the Chief Operating Officer and Senior Vice President at SEVEN Networks. Earlier, Dr. Ratner served as Senior Vice President at Carrier Access as well as several vice president, director, and related roles for Openwave Systems and Software.com, where he began his career. He holds bachelor’s degrees in computer science and mathematics from Cornell University, and a master’s and a doctorate in computer science from the University of California at Los Angeles.