Grand River Dam Authority Executive and Leadership Team

July, 2026

Leadership Overview

Grand River Dam Authority has 7 executives leading key functions including operations, finance, information technology, human resources, and property administration.

Driven by a commitment to reliable energy, Grand River Dam Authority generates, transmits, and sells electricity, powering municipalities, electric cooperatives, and industrial customers across Oklahoma and a four-state region.

Leadership Roles at Grand River Dam Authority

  • Chief Financial Officer - Henry Neftzer
  • Deputy Chief Financial Officer - Matthew Martin
  • Chief Operating Officer - Tim Brown
  • Chief Information Officer - Anthony Dionisio
  • Chief People Officer - Angela Long
  • Superintendent Properties Administration Coordinator & Chief People Officer - Mary Edmundson
  • Chief People Officer, Materials Control - Robert Wheeler
  • Henry Neftzer - Chief Financial Officer

    Henry Neftzer, the Chief Financial Officer at Grand River Dam Authority, oversees all financial operations and strategic fiscal planning. Neftzer manages the company's financial health, including budgeting, forecasting, and investment strategies, ensuring fiscal responsibility across all departments. This role is critical for maintaining the financial stability required to support the generation, transmission, and sale of electricity. By guiding financial decisions, Henry Neftzer directly contributes to the Grand River Dam Authority's capacity to serve its diverse customer base, including municipalities and industrial clients. The Chief Financial Officer's purview encompasses managing financial risks and identifying opportunities for fiscal growth and efficiency. Neftzer's leadership ensures that financial resources are allocated effectively to support the company's operational objectives and long-term sustainability in the energy sector.

    Matthew Martin - Deputy Chief Financial Officer

    Matthew Martin, the Deputy Chief Financial Officer at Grand River Dam Authority, supports the Chief Financial Officer in managing the organization's financial activities and strategic planning. Martin assists in overseeing financial reporting, budgeting processes, and the analysis of financial performance to ensure fiscal integrity. This role is integral to maintaining the financial health of the company, which generates, transmits, and sells electricity. By providing critical financial support, Matthew Martin contributes to the Grand River Dam Authority's ability to meet its obligations to municipalities, electric cooperatives, and industrial customers. The Deputy Chief Financial Officer's responsibilities include assisting in the development of financial models and ensuring compliance with financial regulations. Martin's efforts bolster the financial oversight necessary for sustained operational success and growth.

    Tim Brown - Chief Operating Officer

    Tim Brown, the Chief Operating Officer at Grand River Dam Authority, directs the generation, transmission, and sale of electricity. Overseeing daily operations, Brown ensures the reliable and efficient delivery of power to Oklahoma municipalities, electric cooperatives, and industrial customers. This leadership role involves managing the infrastructure critical to the company's energy production and distribution network. By optimizing operational processes, Tim Brown directly impacts the company's ability to meet energy demands across its service territory. Brown's focus on operational excellence supports the Grand River Dam Authority's mission to provide essential energy services. The Chief Operating Officer's responsibilities extend to maintaining the integrity of the power grid and implementing strategies for system efficiency and resilience. This executive drives the execution of the company's operational strategy, ensuring seamless integration of power generation and delivery systems.
    Tim Brown

    Anthony Dionisio - Chief Information Officer

    Anthony Dionisio, the Chief Information Officer at Grand River Dam Authority, leads the strategic direction and implementation of information technology across the organization. Dionisio is responsible for managing the company's IT infrastructure, ensuring the security and reliability of its digital systems, and driving technological innovation. This role is vital for supporting the complex operations involved in generating, transmitting, and selling electricity. By overseeing technology initiatives, Anthony Dionisio enhances operational efficiency and data management capabilities, directly supporting the Grand River Dam Authority's mission. The Chief Information Officer's focus includes cybersecurity, data analytics, and the integration of new technologies to optimize business processes. Dionisio's leadership ensures that the company's technological framework is robust, secure, and aligned with its strategic goals in the energy market.

    Angela Long - Chief People Officer

    Angela Long, the Chief People Officer at Grand River Dam Authority, directs human resources strategy and operations to support the company's workforce. Long oversees talent acquisition, employee development, compensation, and benefits, fostering a productive and engaged work environment. This role is crucial for ensuring the Grand River Dam Authority has the skilled personnel necessary to manage its electricity generation, transmission, and sales operations. By championing employee initiatives, Angela Long directly contributes to the company's ability to attract and retain top talent. The Chief People Officer's focus includes cultivating a strong organizational culture and ensuring compliance with labor laws. Long's leadership aims to align human capital strategies with the company's broader business objectives in the energy sector.

    Mary Edmundson - Superintendent Properties Administration Coordinator & Chief People Officer

    Mary Edmundson, the Superintendent Properties Administration Coordinator & Chief People Officer at Grand River Dam Authority, manages critical administrative functions related to property and personnel. Edmundson oversees the coordination of property administration, ensuring efficient management of assets and resources essential for the company's operations. Simultaneously, as Chief People Officer, Edmundson contributes to human resources strategies, focusing on employee support and administrative processes that enhance workforce productivity. This dual role is vital for maintaining operational continuity and supporting the Grand River Dam Authority's mission of generating and distributing electricity. By integrating property administration with people management, Mary Edmundson ensures that both physical assets and human capital are optimally utilized. Edmundson's oversight supports the effective functioning of departments involved in energy services.
    Mary Edmundson

    Robert Wheeler - Chief People Officer, Materials Control

    Robert Wheeler, the Chief People Officer, Materials Control at Grand River Dam Authority, leads human resources initiatives with a specific focus on materials management and operational support. Wheeler oversees the integration of HR strategies with the critical functions of materials control, ensuring that personnel are aligned with the needs of supply chain and operational logistics. This role is essential for maintaining the efficiency of the Grand River Dam Authority's energy generation and distribution processes. By focusing on the intersection of people and materials, Robert Wheeler directly supports the company's ability to manage its resources effectively. The Chief People Officer, Materials Control's responsibilities include optimizing workforce performance within material handling and inventory management. Wheeler's leadership ensures that human capital strategies enhance the reliability and cost-effectiveness of the company's operations.

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    Frequently Asked Questions Regarding Grand River Dam Authority Top Executives and Leadership Team

    Who leads Grand River Dam Authority?
    Grand River Dam Authority is led by Henry Neftzer (Chief Financial Officer), along with executives such as Matthew Martin (Deputy Chief Financial Officer) and Tim Brown (Chief Operating Officer).
    Who is part of Grand River Dam Authority’s executive team?
    The executive team of Grand River Dam Authority includes leaders such as Henry Neftzer (Chief Financial Officer), Matthew Martin (Deputy Chief Financial Officer), Tim Brown (Chief Operating Officer) and other senior executives.
    How many executives does Grand River Dam Authority have?
    Grand River Dam Authority has 7 executives leading key business areas.
    What roles are included in Grand River Dam Authority’s leadership team?
    The leadership team of Grand River Dam Authority includes roles such as Chief Financial Officer, Deputy Chief Financial Officer, Chief Operating Officer, Chief Information Officer, Chief People Officer.