John Brunner

John Brunner, CMP, is an experienced event management professional currently serving as an Event Manager at T-Mobile since November 2025. In this role, John plans and executes internal events that enhance organizational priorities and employee engagement, collaborates with senior leadership to align event goals, and manages logistics and production elements with a focus on operational excellence. Prior to T-Mobile, John was a Senior Event Manager at Opus Agency, where responsibilities included project leadership for high-profile events and managing extensive stakeholder collaborations. John’s earlier experience includes positions at Columbia University, where significant contributions were made to numerous large-scale events, and a background in account management at Yelp. John holds a Bachelor of Arts in Theatre and Political Science from Bucknell University and a Master of Fine Arts in Dramaturgy and Theatrical Production from Columbia University.