Green Plains Executive and Leadership Team

May, 2026

Leadership Overview

Green Plains has 5 executives leading key functions including strategy, finance, human resources, people operations, and operations.

Driven by innovation, Green Plains is dedicated to advancing sustainable solutions in the renewable energy sector, focusing on operational excellence and market leadership.

Leadership Roles at Green Plains

  • Chief Executive Officer - Chris Osowski
  • Chief Financial Officer - Ann Reis
  • President - Samir Shaath
  • Chief Human Resources Officer - Jamie Herbert
  • Chief People Officer - Negil McPherson Jr
  • Chris Osowski - Chief Executive Officer

    Chris Osowski, the Chief Executive Officer at Green Plains, directs the company's overall strategic vision and operational execution. Osowski guides the expansion of Green Plains' ethanol production capabilities across its facilities in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. This leadership involves optimizing plant performance and driving market penetration for both proprietary and third-party ethanol products. By focusing on sustainable practices and technological advancements, Osowski ensures Green Plains maintains its position as a key player in the renewable fuels industry. The Chief Executive Officer's purview extends to fostering key stakeholder relationships and steering the company toward long-term growth and profitability. Through strategic decision-making, Osowski champions initiatives that enhance operational efficiency and expand the company's distribution network, directly impacting Green Plains' market influence and financial health.
    Chris Osowski

    Ann Reis - Chief Financial Officer

    Ann Reis, the Chief Financial Officer at Green Plains, oversees all financial operations and strategic financial planning. Reis manages the company's fiscal health, including budgeting, forecasting, and capital allocation across its ethanol plants in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. This role is critical for ensuring the financial stability and growth of Green Plains' ethanol production and distribution businesses. The Chief Financial Officer's responsibilities include managing investor relations, securing financing for operational expansions, and optimizing financial performance to support the company's market objectives. By implementing robust financial controls and driving cost-efficiency measures, Ann Reis directly contributes to the profitability and sustainable development of Green Plains' renewable energy initiatives. This leadership ensures alignment with corporate strategy and supports the company's mission to be a leader in the ethanol market.

    Samir Shaath - President

    Samir Shaath, the President at Green Plains, oversees critical operational functions and drives strategic initiatives across the company. Shaath's leadership is instrumental in managing the day-to-day operations of Green Plains' ethanol plants located in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee, ensuring efficient production and distribution. This role involves close collaboration with other executive leaders to optimize plant performance, enhance supply chain logistics, and expand market reach for ethanol products. The President's responsibilities extend to driving operational efficiencies and implementing innovative solutions that support Green Plains' commitment to sustainability and renewable energy. By focusing on execution and operational excellence, Samir Shaath directly contributes to the company's ability to meet market demands and achieve its growth objectives. This leadership ensures seamless integration of production and distribution strategies.

    Jamie Herbert - Chief Human Resources Officer

    Jamie Herbert, the Chief Human Resources Officer at Green Plains, leads all human capital strategies and organizational development initiatives. Herbert is responsible for cultivating a high-performance culture across Green Plains' operations, including its ethanol plants in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. This involves developing talent acquisition programs, implementing comprehensive compensation and benefits structures, and driving employee engagement to support the company's growth in the renewable energy sector. The Chief Human Resources Officer ensures that Green Plains attracts, retains, and develops the skilled workforce necessary for efficient ethanol production and distribution. By fostering a supportive and dynamic work environment, Jamie Herbert directly impacts operational continuity and the company's ability to innovate. This leadership role is pivotal in aligning human resources with the strategic goals of Green Plains.

    Negil McPherson Jr - Chief People Officer

    Negil McPherson Jr, the Chief People Officer at Green Plains, directs the strategic vision for workforce development and employee experience. McPherson Jr focuses on building a robust organizational culture that supports Green Plains' mission in the renewable energy sector, impacting operations across Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. This leadership role encompasses talent management, leadership development, and fostering an inclusive environment that drives innovation in ethanol production and distribution. The Chief People Officer ensures that Green Plains' human capital strategies are aligned with business objectives, enhancing employee retention and productivity. By championing initiatives that promote professional growth and well-being, Negil McPherson Jr directly contributes to the operational excellence and long-term success of Green Plains. This focus on people is integral to the company's market position.

    Frequently Asked Questions Regarding Green Plains Top Executives and Leadership Team

    Who leads Green Plains?
    Green Plains is led by Chris Osowski (Chief Executive Officer), along with executives such as Ann Reis (Chief Financial Officer) and Samir Shaath (President).
    Who is part of Green Plains’s executive team?
    The executive team of Green Plains includes leaders such as Chris Osowski (Chief Executive Officer), Ann Reis (Chief Financial Officer), Samir Shaath (President) and other senior executives.
    How many executives does Green Plains have?
    Green Plains has 5 executives leading key business areas.
    What roles are included in Green Plains’s leadership team?
    The leadership team of Green Plains includes roles such as Chief Executive Officer, Chief Financial Officer, President, Chief Human Resources Officer, Chief People Officer.