Telecommunications
10 T-Mobile operations leaders
These ten T-Mobile operations leaders include T-Mobile's COO and a former COO, along with executives who have led network, engineering, consumer, customer care, broadband, IT and pricing operations. A reader can learn how T-Mobile runs its network, customer care and consumer operations at national scale.
Professionals to explore
01—10Chip Stovall
LinkedInExperience: VP IT Business Operations and Transformation · T-Mobile
VP IT Business Operations and Transformation at T-Mobile since 2022, where the profile describes engineering IT transformation programs to drive efficiencies. Former Sr Director, Integration and Synergy at T-Mobile (2020–2022), Director, COO Chief of Staff at Sprint (2018–2021) and Director, Sales Distribution and Omni-Channel Operations at Sprint (2011–2018).
Christie Sandoval
LinkedInExperience: Senior Vice President, Consumer Experience and Customer Care Operations · T-Mobile
Executive Vice President and Chief Customer Officer at T-Mobile since 2025. Former T-Mobile roles include Senior Vice President, Consumer Experience and Customer Care Operations (2022–2026), Senior Vice President, Consumer Operations (2020–2022) and Vice President, Retail Sales Operations & Experience (2017–2020). The profile describes leading a team of 15,000+ frontline professionals across Customer Service, Global Care Operations and HQ functions.
Jennifer Silveira
LinkedInExperience: Senior Vice President- Engineering and Operations · T-Mobile
Senior Vice President- Engineering and Operations at T-Mobile since 2011. Former T-Mobile roles include National Director of Engineering- PMO (2008–2011), Regional Director of Engineering- PMO (2006–2008) and Director of Engineering and Operations (2004–2006).
John Stevens
LinkedInExperience: Senior Vice President Consumer Operations and Planning · T-Mobile
Senior Vice President Consumer Operations and Planning at T-Mobile since 2024. The profile describes leading enterprise go-to-market strategy, integrated operations, business continuity, commercial insights and incentive design. Former Vice President Small Markets and Rural Areas at T-Mobile (2020–2024) and Region President at Sprint (2008–2020).
Jon Freier
LinkedInExperience: Chief Operating Officer · T-Mobile
Chief Operating Officer at T-Mobile since 2025. The profile describes leading enterprise-wide transformational programs along with the day-to-day business functions that serve tens of millions of customers across the United States. Former T-Mobile roles include President, U.S. Consumer Group (2021–2025), Executive Vice President, U.S. Consumer Markets (2019–2021) and Executive Vice President, U.S. Retail & Operations (2015–2019).
Kristin Bragg
LinkedInExperience: VP - Head of Pricing, Planning & Operations · T-Mobile
VP - Head of Pricing, Planning & Operations at T-Mobile since 2024. Former EVP Pricing, Planning & Operations (2021–2022), SVP, Pricing, Planning & Operations (2020–2021) and SVP Ad Sales Strategic Planning (2012–2020) at Warner Bros. Discovery Advertising.
Lori Ames
LinkedInExperience: Senior Vice President - Network Infrastructure & Operations · T-Mobile
Senior Vice President - Network Infrastructure & Operations at T-Mobile since 2025, responsible per the profile for the design, engineering, deployment and operations of the network infrastructure behind T-Mobile's nationwide network. Former T-Mobile roles include Senior Vice President - Cloud, IP & Transport Development (2024–2025), Vice President - Cloud, IP & Transport Development (2023–2024) and Vice President Network Development (2020–2023).
Martha Ventura
LinkedInExperience: VP of Engineering & Operations - State of California · T-Mobile
The profile lists VP of Engineering & Operations - State of California (from 2018) and VP of Engineering & Operations - Southern California (from 2008) at T-Mobile with no end dates, and its headline describes her as Vice President of Eng & Ops T-Mobile (Emerita). Former Executive Director Engr & Ops - Southern California at AT&T (1995–2007).
Mike Sievert
LinkedInExperience: President and COO · T-Mobile
Vice Chairman at T-Mobile since 2025 and a member of its Board of Directors since 2018. Former CEO and President (2020–2025), President and COO (2018–2020) and Chief Operating Officer (2015–2020) at T-Mobile; the profile notes that T-Mobile announced in November 2019 that he would be promoted from COO to CEO in May 2020.
Stephanie Miller
LinkedInExperience: Vice President, Broadband Operations · T-Mobile
Vice President, Broadband Operations at T-Mobile since 2025. Former T-Mobile roles include Sr Director, Fiber Operations (2024–2025), Sr Director, Marketing Operations (2022–2024), Sr Director, GTM and Operations (2022) and Director, Business GTM & Operations (2021–2022).
Choose the right perspective
Match the person's operating area to your question: network and engineering operations leaders suit questions about infrastructure and field operations, while consumer, care and broadband operations leaders suit questions about customer-facing processes. Check whether the relevant role is current before asking about T-Mobile's present-day practices.
Questions to take into the conversation
- 01How does T-Mobile coordinate network, retail and care operations when launching a major new plan or service?
- 02Which operating metrics does a large wireless carrier review every week, and who owns each one?
- 03What did T-Mobile change in its operations to integrate a large acquisition, and what would you do differently?
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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