Grand River Dam Authority Executive and Leadership Team

July, 2026

Leadership Overview

Grand River Dam Authority has 7 executives leading key functions including information technology, operations, finance, 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 a four-state region with a focus on operational excellence and sustainable practices.

Leadership Roles at Grand River Dam Authority

  • Chief Financial Officer - Erik Feighner
  • 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
  • Erik Feighner - Chief Financial Officer

    Erik Feighner, the Chief Financial Officer at Grand River Dam Authority, directs the company's financial strategy and fiscal management. This executive oversees all financial planning, accounting operations, and reporting, ensuring the economic health and stability of the organization. Feighner's leadership guides investment decisions, manages capital structure, and optimizes financial performance to support the generation, transmission, and sale of electricity. The Chief Financial Officer is instrumental in securing funding, managing risk, and ensuring compliance with financial regulations. By providing strategic financial insights, Erik Feighner enables Grand River Dam Authority to effectively serve its municipal, cooperative, and industrial customers across a four-state region and maintain its operational capacity.
    Erik Feighner

    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 operations. This executive assists in the development and execution of financial strategies, including budgeting, forecasting, and financial analysis. Martin's role involves ensuring the accuracy of financial records and contributing to the oversight of accounting practices that underpin the company's electricity generation and distribution activities. The Deputy Chief Financial Officer collaborates with various departments to provide financial guidance and support for operational decisions. By reinforcing the financial framework, Matthew Martin contributes to the fiscal integrity of Grand River Dam Authority, supporting its service to municipal, cooperative, and industrial customers.

    Tim Brown - Chief Operating Officer

    Tim Brown, the Chief Operating Officer at Grand River Dam Authority, oversees the day-to-day operational execution of the company's core business functions. This executive directs the complex processes involved in electricity generation, transmission, and distribution, ensuring reliability and efficiency for all customers. Brown's responsibilities encompass managing operational assets, optimizing resource allocation, and implementing best practices across all operational departments. The Chief Operating Officer plays a crucial part in maintaining the integrity of the power grid and ensuring compliance with industry regulations. By focusing on operational excellence, Tim Brown drives the effective delivery of energy services to Oklahoma municipalities, electric cooperatives, and industrial clients, contributing directly to the organization's market presence across a four-state region.
    Tim Brown

    Anthony Dionisio - Chief Information Officer

    Anthony Dionisio, the Chief Information Officer at Grand River Dam Authority, directs the organization's technology strategy and infrastructure. Overseeing all IT operations, Dionisio ensures the secure and efficient management of data, systems, and digital platforms critical to the generation, transmission, and sale of electricity. This leadership role involves architecting scalable IT solutions that support the company's mission to serve Oklahoma municipalities, electric cooperatives, and industrial customers. By driving technological innovation, Dionisio enhances operational efficiency and strengthens the cybersecurity posture of Grand River Dam Authority. The Chief Information Officer's focus remains on leveraging technology to optimize business processes and support long-term growth initiatives across the four-state region.

    Angela Long - Chief People Officer

    Angela Long, the Chief People Officer at Grand River Dam Authority, leads the human resources strategy and talent management initiatives. This executive is responsible for fostering a positive and productive work environment, overseeing recruitment, employee relations, compensation, and benefits programs. Long's focus is on attracting, developing, and retaining a skilled workforce essential for the reliable generation and transmission of electricity. The Chief People Officer ensures that human capital strategies align with the company's operational goals and its commitment to serving municipal, cooperative, and industrial customers. By championing employee engagement and development, Angela Long strengthens the organizational capacity of Grand River Dam Authority.

    Mary Edmundson - Superintendent Properties Administration Coordinator & Chief People Officer

    Mary Edmundson, the Superintendent Properties Administration Coordinator & Chief People Officer at Grand River Dam Authority, directs critical administrative functions alongside human resources oversight. This dual role involves managing property administration processes, ensuring efficient utilization and maintenance of company assets, while also contributing to people operations. Edmundson's responsibilities encompass coordinating administrative support for property-related activities and implementing HR policies that support the workforce engaged in electricity generation and transmission. The Superintendent Properties Administration Coordinator & Chief People Officer ensures that administrative frameworks and personnel strategies effectively support the company's mission. By integrating property management with people leadership, Mary Edmundson enhances the operational efficiency and administrative effectiveness of Grand River Dam Authority.
    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. This executive oversees the people aspects of procurement, inventory, and logistics, ensuring that the materials control function is staffed with skilled personnel. Wheeler's role involves aligning HR strategies with the operational needs of materials management, which is critical for the continuous generation and transmission of electricity. The Chief People Officer, Materials Control ensures effective talent acquisition and development within this specialized area. By focusing on the human capital within materials control, Robert Wheeler contributes to the overall efficiency and reliability of Grand River Dam Authority's supply chain and operational support systems.

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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 Erik Feighner (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 Erik Feighner (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.