Green Plains Executive and Leadership Team

July, 2026

Leadership Overview

Green Plains has 4 executives leading key functions including strategy, finance, human resources, and people operations.

Driven by a commitment to sustainable practices, Green Plains operates as a leading ethanol producer, focusing on efficient production and distribution to impact the agricultural and energy sectors.

Leadership Roles at Green Plains

  • Chief Executive Officer - Chris Osowski
  • Chief Financial Officer - Ann Reis
  • 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 strategy and operational execution. Overseeing the network of ethanol plants across Indiana, Iowa, Michigan, Minnesota, Nebraska, and Tennessee, Osowski ensures efficient production and distribution channels. This leadership role involves driving market expansion and optimizing the company's position as a key ethanol producer and distributor for independent third-party producers. By focusing on innovation in renewable energy, Chris Osowski guides Green Plains toward sustainable growth and enhanced market presence. The Chief Executive Officer's purview extends to fostering strategic partnerships and ensuring alignment with the company's mission to provide high-quality ethanol products.
    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, financial reporting, and capital allocation, Reis ensures the company's financial health and stability across its multiple plant locations. This critical role involves developing financial strategies to support Green Plains' growth objectives, including the marketing and distribution of ethanol. By meticulously managing budgets and analyzing market trends, Ann Reis provides essential financial insights to drive operational efficiency and profitability. The Chief Financial Officer's responsibilities include securing funding, managing investor relations, and ensuring compliance with all financial regulations, thereby underpinning the company's expansion and operational capacity.

    Jamie Herbert - Chief Human Resources Officer

    Jamie Herbert, the Chief Human Resources Officer at Green Plains, leads all human capital management initiatives. Overseeing talent acquisition, employee development, and compensation strategies across the company's operational footprint, Herbert ensures a robust and engaged workforce. This position is vital for supporting the company's ethanol production and distribution activities by cultivating a skilled and motivated team. By implementing effective HR policies and programs, Jamie Herbert fosters a positive work environment that aligns with Green Plains' commitment to operational excellence. The Chief Human Resources Officer's focus includes driving employee retention, managing labor relations, and ensuring compliance with employment laws across all states where Green Plains operates.

    Negil McPherson Jr - Chief People Officer

    Negil McPherson Jr, the Chief People Officer at Green Plains, champions the development and well-being of the company's workforce. Overseeing organizational culture, employee engagement, and diversity and inclusion programs, McPherson Jr cultivates an environment conducive to innovation and productivity within the ethanol production sector. This role is integral to supporting Green Plains' mission by ensuring that its people are empowered and aligned with strategic objectives. By driving initiatives that enhance employee experience and professional growth, Negil McPherson Jr contributes directly to the company's operational success and market leadership. The Chief People Officer's strategic focus includes talent management, leadership development, and fostering a cohesive organizational identity across all plant locations.

    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 Jamie Herbert (Chief Human Resources Officer).
    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), Jamie Herbert (Chief Human Resources Officer) and other senior executives.
    How many executives does Green Plains have?
    Green Plains has 4 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, Chief Human Resources Officer, Chief People Officer.