Big Rivers Electric Executive and Leadership Team

June, 2026

Leadership Overview

Big Rivers Electric has 6 executives leading key functions including strategy, operations, finance, and administration.

Driven by a commitment to reliable energy solutions, Big Rivers Electric focuses on providing essential electrical generation and management services, shaping the energy landscape from its Kentucky headquarters.

Leadership Roles at Big Rivers Electric

  • President & Chief Executive Officer - Mark Bailey
  • President & Chief Executive Officer - Donald Gulley
  • Chief Financial Officer - Talina Mathews
  • Vice President, Accounting & Chief Financial Officer, Rates - Billie Richert
  • Chief Operating Officer - Nathan Berry
  • Chief Administrative Officer - Michael Mizell
  • Mark Bailey - President & Chief Executive Officer

    Mark Bailey, the President & Chief Executive Officer at Big Rivers Electric, directs the company's overall strategic vision and operational execution. Bailey's leadership guides the organization in its core mission of providing robust electrical generation and management services. This executive oversees all major business units, ensuring alignment with market demands and regulatory frameworks within the energy sector. Bailey's focus remains on driving sustainable growth and enhancing the company's position as a key energy provider. The strategic initiatives implemented under Bailey's direction are critical for navigating the complexities of the energy market and ensuring long-term operational stability and expansion. Bailey's executive oversight encompasses all facets of the business, from resource allocation to long-term planning, solidifying Big Rivers Electric's commitment to its stakeholders and the communities it serves.

    Donald Gulley - President & Chief Executive Officer

    Donald Gulley, the President & Chief Executive Officer at Big Rivers Electric, spearheads the company's strategic direction and executive leadership. Gulley's role involves defining the overarching goals for electrical generation and management services, ensuring the company meets its operational objectives. This executive is responsible for fostering innovation and efficiency across all departments, driving the company's mission forward. Gulley's leadership ensures that Big Rivers Electric maintains its commitment to providing reliable energy solutions. The strategic decisions made by Gulley are pivotal in navigating the dynamic energy industry, securing the company's competitive edge and promoting sustainable practices. Gulley's comprehensive oversight extends to financial health, operational performance, and market positioning, reinforcing the company's dedication to excellence and stakeholder value.
    Donald Gulley

    Talina Mathews - Chief Financial Officer

    Talina Mathews, the Chief Financial Officer at Big Rivers Electric, directs the company's financial strategy, planning, and reporting. Mathews oversees all fiscal operations, including budgeting, forecasting, and financial analysis, ensuring the economic health of the organization. This executive's expertise is crucial for managing the financial aspects of electrical generation and management services, supporting sustainable growth and profitability. Talina Mathews plays a key role in capital allocation, investment decisions, and risk management, safeguarding the company's assets. The financial insights provided by Mathews are instrumental in guiding strategic decision-making and ensuring compliance with financial regulations. Mathews's leadership ensures financial stability and supports the company's long-term objectives in the energy sector.

    Billie Richert - Vice President, Accounting & Chief Financial Officer, Rates

    Billie Richert, the Vice President, Accounting & Chief Financial Officer, Rates at Big Rivers Electric, manages critical accounting functions and oversees rate-setting strategies. Richert's responsibilities include ensuring the accuracy of financial records, managing compliance with accounting standards, and developing rate structures that support the company's financial objectives. This executive's deep understanding of financial operations and regulatory requirements is vital for the company's electrical generation and management services. Billie Richert provides essential financial oversight, contributing to the company's fiscal discipline and operational efficiency. Richert's focus on accounting integrity and strategic rate management ensures that Big Rivers Electric maintains a strong financial foundation and competitive market position. Richert's leadership is integral to the company's financial planning and execution.
    Billie Richert

    Nathan Berry - Chief Operating Officer

    Nathan Berry, the Chief Operating Officer at Big Rivers Electric, manages the day-to-day operational activities critical to the company's electrical generation and management services. Berry's responsibilities include optimizing operational efficiency, overseeing infrastructure maintenance, and ensuring the seamless delivery of energy solutions. This executive drives process improvements across all operational departments, directly impacting service reliability and cost-effectiveness. Berry's leadership ensures that the company's operational framework supports its strategic objectives and regulatory compliance. By focusing on operational excellence, Nathan Berry contributes significantly to the company's ability to meet energy demands and maintain high standards of service. Berry's role is essential for the effective functioning of the company's core business, ensuring consistent performance and resource management.

    Michael Mizell - Chief Administrative Officer

    Michael Mizell, the Chief Administrative Officer at Big Rivers Electric, oversees the essential administrative functions that support the company's operations and strategic goals. Mizell's purview includes human resources, legal affairs, and corporate governance, ensuring smooth internal operations and compliance. This executive's role is critical in managing the organizational infrastructure that enables the delivery of electrical generation and management services. Michael Mizell focuses on optimizing internal processes and fostering a productive work environment. Mizell's leadership ensures that administrative policies align with the company's mission and values, contributing to overall organizational effectiveness. Mizell's strategic management of administrative resources is fundamental to Big Rivers Electric's sustained success and operational integrity.

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    Frequently Asked Questions Regarding Big Rivers Electric Top Executives and Leadership Team

    Who leads Big Rivers Electric?
    Big Rivers Electric is led by Mark Bailey (President & Chief Executive Officer), along with executives such as Donald Gulley (President & Chief Executive Officer) and Talina Mathews (Chief Financial Officer).
    Who is part of Big Rivers Electric’s executive team?
    The executive team of Big Rivers Electric includes leaders such as Mark Bailey (President & Chief Executive Officer), Donald Gulley (President & Chief Executive Officer), Talina Mathews (Chief Financial Officer) and other senior executives.
    How many executives does Big Rivers Electric have?
    Big Rivers Electric has 6 executives leading key business areas.
    What roles are included in Big Rivers Electric’s leadership team?
    The leadership team of Big Rivers Electric includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Vice President, Accounting & Chief Financial Officer, Rates, Chief Operating Officer.