Mariana Agathoklis Schlock serves as  Vice President and chief communications executive for Verizon's consumer unit, which houses the largest consumer customer base in the United States and generates more than $100B in total annual revenue. In this role, she oversees all brand, national and local external relations, reputation management, crisis communications, employee engagement and content development for paid editorial, earned, shared and owned platforms.

Previously, she served as Chief Communications Officer for Verizon Media, a $10B unit of the company with 11,000 employees, and Head of Communications for Verizon Business, a $30B unit with 26,000 employees, while concurrently serving as Vice President of Corporate Communication for Verizon – overseeing corporate and brand communications, public policy, crisis, network, technology and 5G priorities.

Prior to joining Verizon, Mariana led the MTV communications team, capping off a decade-plus long career with the Millennial and GenZ focused brand. She began her career at Porter Novelli in Washington, DC and New York City, working with a diverse roster of public affairs and consumer product clients. Mariana graduated cum laude from Boston University’s College of Communications and is an active alumna. She lives in Summit, NJ with her husband and two sons.