Green Plains Executive and Leadership Team

June, 2026

Leadership Overview

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

Driven by a commitment to sustainable production, Green Plains operates ethanol plants across multiple states, marketing and distributing ethanol while focusing on operational excellence and market impact.

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. Overseeing the core business of ethanol production and distribution, Osowski ensures alignment with market demands and sustainable practices. This leadership role involves guiding the company's expansion and optimizing its network of ethanol plants located across Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. By focusing on efficiency and innovation within the renewable energy sector, Chris Osowski drives the company's commitment to providing high-quality ethanol products. The Chief Executive Officer's responsibilities extend to fostering key stakeholder relationships and positioning Green Plains for continued growth in the competitive agricultural and energy markets. Osowski's strategic direction ensures the company's robust market presence and its contribution to the renewable fuels industry.
    Chris Osowski

    Ann Reis - Chief Financial Officer

    Ann Reis, the Chief Financial Officer at Green Plains, manages all financial operations and strategic fiscal planning. Overseeing accounting, treasury, and investor relations, Reis ensures the company's financial health and compliance with regulatory standards. This critical role involves developing financial models, managing capital allocation, and driving profitability across Green Plains' diverse operations, including its ethanol plants in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. By providing insightful financial analysis, Ann Reis supports executive decision-making and guides investment strategies. The Chief Financial Officer's expertise is essential for maintaining strong relationships with financial institutions and stakeholders, securing funding for growth initiatives, and optimizing the company's balance sheet. Reis's diligent financial oversight underpins the company's ability to navigate market fluctuations and achieve its long-term economic objectives.

    Samir Shaath - President

    Samir Shaath, the President at Green Plains, holds significant responsibility for driving operational performance and strategic growth across the company's ethanol production and distribution network. Overseeing key business units, Shaath ensures the efficient functioning of plants in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee, while also focusing on market expansion and customer relationships. This leadership position involves translating corporate strategy into actionable operational plans, optimizing supply chains, and enhancing product delivery. By focusing on operational excellence, Samir Shaath contributes directly to the company's revenue generation and market leadership. The President's role is critical in fostering cross-functional collaboration and ensuring that all aspects of the business operate cohesively to meet Green Plains' objectives.

    Jamie Herbert - Chief Human Resources Officer

    Jamie Herbert, the Chief Human Resources Officer at Green Plains, leads all human capital management strategies and initiatives. Overseeing talent acquisition, employee development, and compensation and benefits programs, Herbert ensures a skilled and motivated workforce across the company's ethanol production facilities. This position is vital for cultivating a positive and productive work environment, supporting the operational needs of plants in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. By implementing robust HR policies, Jamie Herbert fosters employee engagement and retention, critical for maintaining operational continuity and efficiency. The Chief Human Resources Officer's focus on organizational development and culture directly impacts the company's ability to attract and retain top talent. Herbert's strategic approach to human resources strengthens Green Plains' operational capacity and supports its overall business objectives.

    Negil McPherson Jr - Chief People Officer

    Negil McPherson Jr, the Chief People Officer at Green Plains, spearheads the company's comprehensive people strategy, focusing on organizational culture and employee experience. Overseeing initiatives that enhance workforce engagement, leadership development, and diversity and inclusion, McPherson Jr ensures that Green Plains cultivates a supportive and high-performing environment. This role is integral to aligning human capital with the company's strategic goals, supporting operations across its ethanol plants in Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee. By championing employee well-being and professional growth, Negil McPherson Jr drives initiatives that foster innovation and operational excellence. The Chief People Officer's dedication to building a strong organizational foundation is crucial for attracting and retaining talent, thereby bolstering Green Plains' competitive advantage and long-term success.

    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.