T-Mobile Executive and Leadership Team

May, 2026

Leadership Overview

T-Mobile has 10 executives leading key functions including strategy, marketing, finance, technology, operations, and administration.

Driven by a commitment to customer-centricity, T-Mobile delivers innovative wireless solutions, shaping the future of mobile communication across the United States, Puerto Rico, and the U.S. Virgin Islands.

Leadership Roles at T-Mobile

  • Administration Chief Financial Officer & Vice President - Bernie Klos
  • President of Technology & Chief Technology Officer - John Saw
  • Chief of Staff - Konnie Kordish
  • Chief Marketing Officer - Allan Samson
  • Network Design Engineer III & Chief Technology Officer, Sprint - David Haney
  • Director, Chief of Staff, OCFO - Sarah Jindra
  • Operations Southwest Region Chief of Staff - Art Pennington
  • Chief of Staff To Vice President Pricing, Planning and Operations - Lisa Brescia
  • Chief of Staff To Vice President, for Strategic and Global Accounts, T-Mobile for Business - Dee Benford
  • Director, Chief of Staff - Jay Patacsil
  • Bernie Klos - Administration Chief Financial Officer & Vice President

    Bernie Klos, the Administration Chief Financial Officer & Vice President at T-Mobile, oversees critical financial operations and administrative functions that support the company's strategic growth. This executive directs financial planning, budgeting, and reporting, ensuring fiscal responsibility and compliance across the organization. Klos's leadership is vital for managing T-Mobile's financial health and optimizing resource allocation to achieve key performance indicators. The role involves close collaboration with other C-suite executives to align financial strategies with operational imperatives. Bernie Klos drives initiatives aimed at enhancing financial efficiency and identifying opportunities for cost optimization. This executive's purview includes managing financial risk and ensuring the integrity of financial data. By providing strategic financial guidance, Klos supports T-Mobile's expansion and operational excellence in the competitive telecom market.

    John Saw - President of Technology & Chief Technology Officer

    John Saw, the President of Technology & Chief Technology Officer at T-Mobile, leads the company's technological vision, strategy, and execution, driving innovation across all platforms. This executive directs the development and deployment of T-Mobile's advanced network infrastructure, ensuring cutting-edge capabilities and superior service delivery. Saw's leadership is critical in shaping the future of wireless technology and enhancing the customer experience. The role involves overseeing research and development, network operations, and IT functions to maintain T-Mobile's competitive edge. By championing technological advancements, John Saw ensures T-Mobile remains a leader in the telecommunications industry. This executive's responsibilities include managing significant technology investments and guiding the company's digital transformation initiatives. Saw's strategic direction is fundamental to T-Mobile's ongoing growth and market leadership.
    John Saw

    Konnie Kordish - Chief of Staff

    Konnie Kordish, the Chief of Staff at T-Mobile, directs strategic initiatives and operational alignment across key departments. This leadership position involves facilitating communication between executive leadership and functional teams, ensuring seamless execution of corporate objectives. Kordish oversees the implementation of critical projects, driving efficiency and fostering a culture of accountability. The role demands a deep understanding of T-Mobile's operational landscape and market dynamics. By coordinating cross-functional efforts, Kordish ensures that strategic priorities translate into tangible business outcomes. This executive's focus centers on optimizing internal processes and supporting the broader leadership team in achieving T-Mobile's ambitious growth targets. The scope of this role encompasses critical support for executive decision-making and the effective deployment of resources to meet evolving market demands.

    Allan Samson - Chief Marketing Officer

    Allan Samson, the Chief Marketing Officer at T-Mobile, architects and executes comprehensive marketing strategies that drive brand awareness and customer acquisition. This executive directs all aspects of T-Mobile's marketing efforts, including advertising, digital campaigns, and market research, ensuring alignment with the company's overall business objectives. Samson's leadership focuses on understanding consumer needs and market trends to develop compelling value propositions. The role involves managing significant marketing budgets and optimizing campaign performance to maximize return on investment. By fostering innovation in marketing approaches, Allan Samson strengthens T-Mobile's competitive position in the dynamic telecommunications sector. This executive's responsibilities extend to overseeing brand messaging and ensuring a consistent, impactful customer experience across all touchpoints. Samson drives initiatives that enhance customer loyalty and expand market share through data-driven insights and creative execution.

    David Haney - Network Design Engineer III & Chief Technology Officer, Sprint

    David Haney, the Network Design Engineer III & Chief Technology Officer, Sprint at T-Mobile, spearheads the technological vision and infrastructure development critical for network performance and innovation. This executive directs the design and implementation of advanced network solutions, ensuring scalability, reliability, and cutting-edge capabilities. Haney's leadership focuses on integrating and optimizing T-Mobile's technological assets, driving forward the company's commitment to superior wireless service. The role involves overseeing complex engineering projects and fostering a culture of technological advancement. By guiding network architecture, David Haney ensures T-Mobile remains at the forefront of the telecommunications industry. This executive's responsibilities include managing the evolution of the network to support emerging technologies and enhance customer experience. Haney's technical expertise is fundamental to T-Mobile's ongoing success and its ability to deliver robust connectivity.

    Sarah Jindra - Director, Chief of Staff, OCFO

    Sarah Jindra, the Director, Chief of Staff, OCFO at T-Mobile, provides critical operational and strategic support to the Office of the Chief Financial Officer. This executive directs initiatives that enhance financial operations, streamline administrative processes, and ensure effective communication across finance-related functions. Jindra's role involves coordinating key projects, managing stakeholder relationships, and driving the implementation of strategic financial objectives. The focus is on optimizing the efficiency and effectiveness of the OCFO's office and its contributions to T-Mobile's fiscal health. By facilitating cross-departmental collaboration, Sarah Jindra ensures that financial strategies are effectively translated into actionable plans. This executive's responsibilities include supporting financial planning, analysis, and reporting activities. Jindra plays a key part in maintaining operational excellence within T-Mobile's financial structure.

    Art Pennington - Operations Southwest Region Chief of Staff

    Art Pennington, the Operations Southwest Region Chief of Staff at T-Mobile, directs operational strategies and execution within the Southwest region, ensuring alignment with national objectives. This executive oversees the coordination of regional operations, focusing on efficiency, service delivery, and market penetration. Pennington's leadership is instrumental in optimizing resource deployment and driving performance improvements across T-Mobile's Southwest territory. The role involves managing complex logistical challenges and fostering strong relationships with regional teams and stakeholders. By enhancing operational frameworks, Art Pennington supports T-Mobile's commitment to providing superior wireless services. This executive's responsibilities include driving initiatives that improve customer satisfaction and operational effectiveness within the specified geographic area. Pennington's focus is on achieving regional business goals and contributing to T-Mobile's overall market leadership.

    Lisa Brescia - Chief of Staff To Vice President Pricing, Planning and Operations

    Lisa Brescia, the Chief of Staff To Vice President Pricing, Planning and Operations at T-Mobile, provides essential strategic and operational support to the Pricing, Planning, and Operations leadership. This executive directs key initiatives that streamline pricing strategies, optimize operational planning, and enhance overall business performance. Brescia's role involves coordinating cross-functional projects, analyzing market dynamics, and ensuring the effective execution of operational plans. The focus is on driving efficiency and innovation within T-Mobile's pricing and operational frameworks. By facilitating communication and collaboration, Lisa Brescia ensures that strategic objectives are met with precision and agility. This executive's responsibilities include supporting the development and implementation of pricing models and operational improvements. Brescia contributes significantly to T-Mobile's competitive positioning and financial success.

    Dee Benford - Chief of Staff To Vice President, for Strategic and Global Accounts, T-Mobile for Business

    Dee Benford, the Chief of Staff To Vice President, for Strategic and Global Accounts, T-Mobile for Business at T-Mobile, provides crucial support for the strategic direction and operational execution within T-Mobile for Business. This executive directs initiatives aimed at enhancing engagement with strategic and global accounts, ensuring seamless service delivery and fostering strong client relationships. Benford's role involves coordinating efforts to meet the unique needs of enterprise clients and driving revenue growth in the business sector. The focus is on optimizing account management strategies and supporting the Vice President's objectives for T-Mobile for Business. By facilitating communication and collaboration, Dee Benford ensures that strategic plans are effectively implemented. This executive's responsibilities include supporting business development efforts and enhancing T-Mobile's value proposition for corporate clients.

    Jay Patacsil - Director, Chief of Staff

    Jay Patacsil, the Director, Chief of Staff at T-Mobile, directs strategic projects and operational enhancements that support executive leadership and drive organizational efficiency. This executive oversees the coordination of key initiatives, ensuring alignment with T-Mobile's broader corporate objectives and market strategies. Patacsil's role involves facilitating communication between different departments and ensuring the smooth execution of complex projects. The focus is on optimizing internal processes and supporting the leadership team in achieving critical business outcomes. By managing cross-functional collaborations, Jay Patacsil contributes to T-Mobile's operational excellence and strategic advancement. This executive's responsibilities include driving process improvements and supporting the implementation of new business strategies. Patacsil plays a vital role in enhancing T-Mobile's overall performance and market competitiveness.

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    Frequently Asked Questions Regarding T-Mobile Top Executives and Leadership Team

    Who leads T-Mobile?
    T-Mobile is led by Bernie Klos (Administration Chief Financial Officer & Vice President), along with executives such as John Saw (President of Technology & Chief Technology Officer) and Konnie Kordish (Chief of Staff).
    Who is part of T-Mobile’s executive team?
    The executive team of T-Mobile includes leaders such as Bernie Klos (Administration Chief Financial Officer & Vice President), John Saw (President of Technology & Chief Technology Officer), Konnie Kordish (Chief of Staff) and other senior executives.
    How many executives does T-Mobile have?
    T-Mobile has 10 executives leading key business areas.
    What roles are included in T-Mobile’s leadership team?
    The leadership team of T-Mobile includes roles such as Administration Chief Financial Officer & Vice President, President of Technology & Chief Technology Officer, Chief of Staff, Chief Marketing Officer, Network Design Engineer III & Chief Technology Officer, Sprint.