Sr Manager, Commercial Marketing - TFiber

The Sr Manager, Commercial Marketing, T-Fiber is a leadership role responsible for driving new customer acquisition, go-to-market execution, channel strategy, and data-driven performance management for T-Mobile’s fiber broadband business. This role leads a multidisciplinary team spanning commercial marketing and data science. The leader owns the full commercial agenda: pricing and promotional strategy, GTM readiness for new fiber market launches, in-quarter performance management, and long-term subscriber growth. This role serves as the connective tissue between Marketing, GTM, Pricing, Operations, Channels, Analytics, and FP&A. Requires a proven track record in scaling multi-billion-dollar portfolios, comfort translating data science outputs into commercial decisions, and the ability to present confidently to the C-Suite on a regular basis.