Sam Lisle serves as the North American Business Development Director for IP and Optical Transport for Ribbon Communications. He has more than two decades of experience in IP optical networking, serving in a number of leadership roles including product management, marketing, technology planning and corporate strategy. Sam holds several U.S. patents in IP optical networking and was instrumental in the definition of three generations of optical networking platforms. Prior to Ribbon, he held senior positions at Fujitsu and Bellcore (now Telcordia). Sam holds a Bachelor of Science in Electrical Engineering from the University of Iowa and a Master of Science in Electrical Engineering from Georgia Tech.