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Justin Joiner

Vice President Of Member And External Engagement And Corporate Planning at Seminole Electric Cooperative

Justin Joiner currently serves as Vice President of Member and External Engagement and Corporate Planning at Seminole Electric Cooperative, Inc. since June 2024, with responsibilities that encompass enterprise resource planning and oversight of market-based power contracts. Previously, Justin held various leadership positions, including Vice President of Member Services and External Affairs at Seminole Electric, where responsibilities included member services and energy policy. Notable prior roles include President of TransCanyon, LLC and Vice President of Resource Management at Arizona Public Service Company, along with key positions at CenterPoint Energy and Ameren, focusing on power supply, regulatory policy, and market affairs. Justin holds an MBA and a Bachelor’s degree in Economics and Finance from Southern Illinois University Edwardsville.

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