Grand River Dam Authority Executive and Leadership Team

Daniel Sullivan, the President & Chief Executive Officer at Grand River Dam Authority, directs the overall strategic vision and operational execution for the organization. Sullivan guides the company's mission to generate, transmit, and sell electricity, ensuring reliable power delivery to municipal, cooperative, and industrial customers throughout Oklahoma and a four-state region. This leadership role involves setting long-term objectives, fostering key stakeholder relationships, and driving growth initiatives. By overseeing all major business functions, Daniel Sullivan ensures alignment with the authority's mandate for public service and economic development. The President & Chief Executive Officer's purview encompasses financial health, operational efficiency, and market expansion, positioning the organization for sustained success in the energy sector.

Erik Feighner, the Chief Financial Officer at Grand River Dam Authority, manages all financial operations and strategic fiscal planning. Feighner oversees budgeting, financial reporting, treasury functions, and capital allocation to support the generation, transmission, and sale of electricity. This executive ensures the financial stability and sustainability of the authority, enabling continued service to Oklahoma municipalities, electric cooperatives, and industrial clients. By optimizing financial performance and managing risk, Erik Feighner directly contributes to the organization's capacity to invest in infrastructure and meet evolving energy demands across its service territory. The Chief Financial Officer's responsibilities extend to securing funding and maintaining strong relationships with financial institutions, underpinning the authority's operational capabilities.

Matthew Martin, the Deputy Chief Financial Officer at Grand River Dam Authority, supports the Chief Financial Officer in managing the organization's fiscal health and financial strategies. Martin assists in overseeing budgeting, financial analysis, and reporting processes, ensuring accuracy and compliance with regulatory requirements. This role is integral to maintaining the financial integrity necessary for the authority's electricity generation, transmission, and sales operations. By contributing to financial planning and risk management, Matthew Martin supports the reliable service provided to Oklahoma's municipalities, electric cooperatives, and industrial customers. The Deputy Chief Financial Officer plays a key part in optimizing financial resources and supporting strategic investments.

Tim Brown, the Chief Operating Officer at Grand River Dam Authority, directs the day-to-day operational activities critical to electricity generation and transmission. Brown oversees the management of power generation facilities, grid infrastructure, and maintenance operations, ensuring the reliable and efficient delivery of energy to customers. This leadership position involves optimizing operational processes, implementing best practices in safety and environmental compliance, and managing resources effectively. By driving operational excellence, Tim Brown supports the authority's mission to provide essential power services to Oklahoma municipalities, electric cooperatives, and industrial users. The Chief Operating Officer's focus remains on maintaining asset integrity and enhancing operational performance across the entire energy supply chain.

Anthony Dionisio, the Chief Information Officer at Grand River Dam Authority, leads the strategic development and implementation of information technology systems. Dionisio oversees the infrastructure, cybersecurity, and digital transformation initiatives that support the authority's core functions of generating, transmitting, and selling electricity. This role is crucial for enhancing operational efficiency, data security, and customer service through advanced technological solutions. By ensuring robust IT capabilities, Anthony Dionisio enables seamless operations for municipal, cooperative, and industrial clients across Oklahoma and the surrounding region. The Chief Information Officer's strategic direction ensures the authority remains technologically advanced and secure in its energy delivery operations.

Angela Long, the Chief People Officer at Grand River Dam Authority, directs all human resources functions and people strategies. Long oversees talent acquisition, employee development, compensation and benefits, and fostering a positive organizational culture to support the authority's mission. This leadership role is vital for attracting and retaining the skilled workforce required for electricity generation, transmission, and sales operations. By championing employee engagement and organizational development, Angela Long ensures the authority has the human capital necessary to serve its customers effectively across Oklahoma and beyond. The Chief People Officer's strategic focus on people management underpins the organization's operational success and long-term sustainability.

Mary Edmundson, the Superintendent Properties Administration Coordinator & Chief People Officer at Grand River Dam Authority, manages critical aspects of property administration and human resources. Edmundson oversees the coordination of property-related activities and contributes to people strategies, ensuring efficient operations and employee support. This dual role is essential for maintaining the authority's physical assets and fostering a productive work environment that supports electricity generation and transmission. By integrating property oversight with human capital management, Mary Edmundson enhances operational effectiveness and employee well-being. The Superintendent Properties Administration Coordinator & Chief People Officer's responsibilities ensure both the physical infrastructure and the workforce are optimized for service delivery.

Robert Wheeler, the Chief People Officer, Materials Control at Grand River Dam Authority, leads human resources initiatives with a specific focus on materials control operations. Wheeler directs strategies for workforce management, talent development, and employee relations within the context of managing essential materials for energy generation and transmission. This role ensures that the materials control function is supported by robust HR practices, contributing to operational efficiency and supply chain integrity. By aligning people strategies with the needs of materials control, Robert Wheeler supports the authority's mission to provide reliable electricity. The Chief People Officer, Materials Control's expertise is vital for optimizing both human capital and material resources.