John Schulz John Schulz is Director of Sustainability Operations at AT&T. In this role, John works with business units across AT&T, with customers and with leading independent third parties to identify how AT&T technology can play an important role in addressing pressing environmental and social problems. John began his AT&T career in the Corporate Real Estate group and migrated into leadership roles with the Energy and Corporate Sustainability organizations. Before joining AT&T, John held a variety of roles with several technology startups. John received his MBA from The University of Texas at Austin, his BA from Trinity University in San Antonio, TX and is a LEED GA.