Cliff Nathanielsz

Cliff Nathanielsz leads AT&T Global Enterprise Solutions in assisting Finance and Enterprise clients through their Digital Transformation and Workforce Optimization by leveraging advances in Mobility and IoT solutions. Cliff leads a team focused on delivering Mobility and IoT Solutions designed to meet the industry needs of Enterprise clients. He has responsibility for supporting 1700 corporations contributing over 4 billion in annual revenue to AT&T. Cliff began building his expertise in telecommunications in 1996 at Sprint’s Small Business D ivision, where he was quickly promoted to Data Sales Manager. Due to strong success in this role, he was recruited to join AT&T as Sales Manager for Enterprise Markets in Portland, OR in 2002. Cliff’s sales management responsibilities expanded to include the Pacific Northwest and the Mountain States. He was promoted to Director of Integrated Solutions for the West and Midwest Regions where he led the Technical Sales and Engineering organization in supporting client’s demand for Cloud, Hosting, Security, So urcing, Network, and Applications requirements. Cliff is a multi- recipient of AT&T’s prestigious Diamond Club and Circle of Excellenceawards. CliffwasoneofonlyfiftyleadersacrossAT&Tselectedtoparticipateinthe2011 Accelerated Development Program (ADP) – a year-long, intensive AT&T experience designed to advance business acumen and increase strategic perspective as preparation for future leadership opportunities. Cliff attended the University of the Philippines and is currently pursuing his MBA. He resides in the Dallas area with his wife Leila and son Nicholas.