TXNM Energy Executive and Leadership Team

July, 2026

Leadership Overview

TXNM Energy has 7 executives leading key functions including strategy, finance, information technology, operations, and regional market development.

Driven by a commitment to reliable energy solutions, TXNM Energy powers communities across New Mexico and Texas, focusing on sustainable generation and efficient distribution to meet diverse customer needs.

Leadership Roles at TXNM Energy

  • President & Chief Executive Officer - Don Tarry
  • President & Chief Executive Officer - Patricia Vincent-Collawn
  • Senior Vice President & Chief Financial Officer - Henry Monroy
  • Chief of Staff & President, Office of & Regional Director, Markets & Transmission Strategy - Kelsey Martinez
  • President, Texas-New Power Company (Mexico) - Neal Walker
  • Vice President & Chief Information Officer - Sheila Mendez
  • Senior Vice President and Chief Administrative Officer - Alice Cobb
  • Don Tarry - President & Chief Executive Officer

    Don Tarry, the President & Chief Executive Officer at TXNM Energy, directs the overarching corporate strategy and operational execution across the company's energy generation and distribution segments. Overseeing both the Public Service Company of New Mexico (PNM) and Texas-New Mexico Power Company (TNMP) operations, Tarry ensures the integration of diverse energy sources, including coal, natural gas, solar, and wind, into a cohesive and reliable power supply. This leadership role involves driving innovation in energy storage solutions and managing the transmission and distribution infrastructure critical to serving residential, commercial, and industrial customers throughout New Mexico and Texas. By focusing on operational efficiency and strategic market positioning, Don Tarry guides the company's response to evolving energy demands and regulatory landscapes, securing the long-term viability and growth of TXNM Energy's service territories.
    Don Tarry

    Patricia Vincent-Collawn - President & Chief Executive Officer

    Patricia Vincent-Collawn, the President & Chief Executive Officer at TXNM Energy, shapes the company's strategic vision and executive leadership, guiding its mission to provide essential electricity services. Vincent-Collawn's purview encompasses the comprehensive management of both the PNM and TNMP segments, ensuring alignment with market needs and regulatory requirements across New Mexico and Texas. This executive position involves fostering a culture of innovation in energy generation, transmission, and distribution, leveraging a mix of traditional and renewable resources. Patricia Vincent-Collawn directs efforts to enhance operational reliability and customer service for a broad base of residential, commercial, and industrial clients. The strategic direction set by Vincent-Collawn is pivotal in navigating the complexities of the energy sector and reinforcing TXNM Energy's commitment to sustainable and dependable power provision.

    Henry Monroy - Senior Vice President & Chief Financial Officer

    Henry Monroy, the Senior Vice President & Chief Financial Officer at TXNM Energy, manages the company's financial health and strategic fiscal planning across its energy operations. Monroy oversees all financial activities, including budgeting, forecasting, capital allocation, and investor relations, ensuring robust financial controls for both the PNM and TNMP segments. This critical role involves optimizing the financial structure to support investments in generation, transmission, and distribution infrastructure, as well as renewable energy projects. Henry Monroy's financial acumen is essential for navigating the economic complexities of the energy market in New Mexico and Texas, driving profitability and sustainable growth. By ensuring fiscal discipline and strategic financial management, Monroy supports TXNM Energy's commitment to reliable and affordable electricity for its diverse customer base.
    Henry Monroy

    Kelsey Martinez - Chief of Staff & President, Office of & Regional Director, Markets & Transmission Strategy

    Kelsey Martinez, the Chief of Staff & President, Office of & Regional Director, Markets & Transmission Strategy at TXNM Energy, provides strategic support and directs key market and transmission initiatives. Martinez works closely with executive leadership to align operational goals with corporate strategy, ensuring seamless execution across the PNM and TNMP segments. This multifaceted role involves overseeing market analysis, developing transmission strategies, and managing relationships with stakeholders in New Mexico and Texas. Kelsey Martinez's responsibilities include optimizing energy market participation and ensuring the efficient and reliable flow of electricity through the company's extensive transmission network. By driving strategic market engagement and transmission planning, Martinez contributes significantly to TXNM Energy's operational effectiveness and market competitiveness.

    Neal Walker - President, Texas-New Power Company (Mexico)

    Neal Walker, the President, Texas-New Power Company (Mexico) at TXNM Energy, leads the strategic direction and operational management of the TNMP segment. Walker is responsible for overseeing the regulated transmission and distribution services provided by TNMP, ensuring reliability and efficiency for customers across its Texas service territory. This executive role involves managing infrastructure investments, regulatory compliance, and stakeholder engagement specific to the Texas market. Neal Walker's leadership focuses on enhancing the operational performance of the transmission and distribution network, supporting the integration of diverse energy sources, and maintaining high standards of service delivery. By driving the success of TNMP, Walker plays a crucial role in TXNM Energy's overall mission to provide dependable energy solutions.
    Neal Walker

    Sheila Mendez - Vice President & Chief Information Officer

    Sheila Mendez, the Vice President & Chief Information Officer at TXNM Energy, directs the company's technology strategy and digital transformation initiatives. Mendez oversees the development and implementation of IT infrastructure, cybersecurity measures, and data management systems that support the critical operations of both the PNM and TNMP segments. This leadership position involves ensuring the reliability and security of technology platforms used for energy generation, transmission, and distribution, as well as customer service and internal business processes. Sheila Mendez's focus is on leveraging technology to enhance operational efficiency, improve data analytics for strategic decision-making, and safeguard the company's digital assets across New Mexico and Texas. By driving technological advancement, Mendez ensures TXNM Energy remains agile and secure in an increasingly digital energy landscape.

    Alice Cobb - Senior Vice President and Chief Administrative Officer

    Alice Cobb, the Senior Vice President and Chief Administrative Officer at TXNM Energy, oversees critical administrative functions that support the company's operational and strategic objectives. Cobb manages human resources, legal affairs, corporate communications, and other essential support services across both the PNM and TNMP segments. This role is vital for ensuring efficient internal operations, fostering a positive corporate culture, and managing compliance with legal and regulatory frameworks in New Mexico and Texas. Alice Cobb's responsibilities include developing and implementing policies that enhance employee engagement, streamline business processes, and uphold the company's commitment to corporate governance and ethical practices. By ensuring robust administrative support, Cobb enables TXNM Energy to focus on its core mission of delivering reliable energy services.

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    Frequently Asked Questions Regarding TXNM Energy Top Executives and Leadership Team

    Who leads TXNM Energy?
    TXNM Energy is led by Don Tarry (President & Chief Executive Officer), along with executives such as Patricia Vincent-Collawn (President & Chief Executive Officer) and Henry Monroy (Senior Vice President & Chief Financial Officer).
    Who is part of TXNM Energy’s executive team?
    The executive team of TXNM Energy includes leaders such as Don Tarry (President & Chief Executive Officer), Patricia Vincent-Collawn (President & Chief Executive Officer), Henry Monroy (Senior Vice President & Chief Financial Officer) and other senior executives.
    How many executives does TXNM Energy have?
    TXNM Energy has 7 executives leading key business areas.
    What roles are included in TXNM Energy’s leadership team?
    The leadership team of TXNM Energy includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, Senior Vice President & Chief Financial Officer, Chief of Staff & President, Office of & Regional Director, Markets & Transmission Strategy, President, Texas-New Power Company (Mexico).