John Nolan became CEO of Sage Management, an SIB Company, in 2024. With nearly two decades at AT&T, he plays a key role in global and domestic telecommunications operations, driving cost reductions, service improvements, and strategic alliances.  

Previously, as Chief Development Officer at Bluebird Network, John led corporate development, M&A, strategy, and key sales functions. At AT&T, he served as Vice President, Global Connections & Alliance Management, overseeing 600+ professionals across 40+ countries managing global telecom partnerships. Prior to that, he spearheaded business development for SBC Communications and helped launch Southwestern Bell Internet Services, later leading its integration with Prodigy.  

John holds an MBA from Saint Louis University and a Finance degree from the University of Missouri. He has served on boards for Capacity Media’s Global Leaders Forum, MEF, and the University of Missouri Business School, and has supported United Way and the Boy Scouts of America.