Mariana Agathoklis Schlock

Mariana Agathoklis Schlock joins Zayo following nearly nine years at Verizon, where she held senior roles across its consumer, business, media, and corporate organizations. Most recently, she served as the Head of Communications for Verizon Consumer, a $100 billion annual revenue business unit. Over the course of her tenure, she helped lead major brand and commercial initiatives, including the public launch of 5G, creation of Verizon Business Small Business Days, and launch of the award-winning Verizon Family campaign.

“As AI reshapes how companies operate, their technology backbone becomes even more central to their ability to grow, innovate and compete,” said Agathoklis Schlock. “Zayo has the physical network, expertise, and talent to lead this transformation and help our customers and industry partners navigate this change. I look forward to building on the strong capabilities of the communications, marketing, and ESG teams as we make Zayo’s value unmistakable to customers and the market.”

Throughout her career, Agathoklis Schlock has worked at the intersection of brand, reputation, customer engagement, and business strategy, helping organizations navigate transformation and build relevance at scale. Before joining Verizon, she spent 12 years at MTV, where she led communications across corporate, brand, programming, and digital initiatives. Her achievements have earned recognition from PRWeek, Cannes Lions, Digiday, Cynopsis, and other industry organizations. She is a member and mentor with the Institute for Public Relations and a Boston University graduate, where she serves as inaugural co-chair of the 1839 Society.