Green Plains Executive and Leadership Team

August, 2026

Leadership Overview

Green Plains has 4 executives leading key functions including strategy, financial oversight, human capital management, and administrative operations.

Focused on sustainable energy production, Green Plains drives the transition toward renewable fuel sources while maintaining a robust distribution network across the American Midwest and beyond.

Leadership Roles at Green Plains

  • Chief Executive Officer - Chris Osowski
  • Chief Financial Officer - Ann Reis
  • Chief People Officer - Negil McPherson Jr
  • Chief Administrative Officer - Jamie Herbert
  • Chris Osowski - Chief Executive Officer

    Chris Osowski, the Chief Executive Officer at Green Plains, directs the overarching strategic vision for the organization. This leadership role involves managing the complex ethanol production lifecycle across multiple states, including Indiana, Iowa, and Nebraska. By aligning corporate objectives with market demands for renewable energy, the Chief Executive Officer ensures consistent operational excellence. Chris Osowski monitors the competitive landscape to identify growth opportunities within the chemical manufacturing sector. Collaborating closely with the Board, the Chief Executive Officer architects long-term initiatives that enhance shareholder value and strengthen the company's market position. Through rigorous oversight of production facilities and distribution networks, the Chief Executive Officer maintains high standards of efficiency. This executive leadership drives the company toward achieving ambitious sustainability targets while navigating the evolving regulatory environment of the renewable fuel industry.
    Chris Osowski

    Ann Reis - Chief Financial Officer

    Ann Reis, the Chief Financial Officer at Green Plains, manages the fiscal health and capital allocation strategies for the entire enterprise. Overseeing financial reporting, budgeting, and risk management, the Chief Financial Officer ensures the company maintains a strong balance sheet while supporting large-scale ethanol production operations. Ann Reis directs the financial planning necessary to sustain the company's expansive footprint across the Midwest. By analyzing market trends in the chemical manufacturing industry, the Chief Financial Officer provides critical insights that inform investment decisions and operational scaling. This leadership role involves coordinating with other C-suite members to optimize resource distribution and maximize profitability. Through disciplined financial oversight, the Chief Financial Officer secures the necessary liquidity to support ongoing infrastructure improvements. Ultimately, the Chief Financial Officer maintains the fiscal integrity required to sustain long-term growth and market competitiveness within the renewable energy sector.

    Negil McPherson Jr - Chief People Officer

    Negil McPherson Jr, the Chief People Officer at Green Plains, architects the human capital strategy to support a diverse workforce across multiple states. Overseeing talent acquisition, organizational development, and employee engagement, the Chief People Officer ensures the company attracts and retains the specialized expertise required for ethanol production. Negil McPherson Jr directs initiatives that foster a high-performance culture aligned with the company's mission of renewable energy innovation. This leadership role involves implementing comprehensive training programs that enhance operational safety and efficiency at every plant location. By managing internal communications and performance management systems, the Chief People Officer drives organizational alignment with corporate goals. Through strategic workforce planning, the Chief People Officer supports the company's ability to scale operations effectively. This executive leadership ensures the workforce remains agile and prepared to meet the evolving demands of the chemical manufacturing industry.

    Jamie Herbert - Chief Administrative Officer

    Jamie Herbert, the Chief Administrative Officer at Green Plains, directs the internal infrastructure and operational support systems that enable seamless business functions. Overseeing corporate governance, legal compliance, and facility management, the Chief Administrative Officer ensures that all ethanol production sites operate within regulatory frameworks. Jamie Herbert architects the administrative processes that streamline communication between the Omaha headquarters and regional plants. This leadership role involves managing cross-functional projects that improve operational efficiency and reduce overhead costs. By coordinating with the executive team, the Chief Administrative Officer ensures that administrative policies support the company's broader strategic objectives. Through the implementation of robust internal controls, the Chief Administrative Officer mitigates operational risks and enhances organizational stability. This executive leadership provides the foundational support necessary for the company to maintain its position as a leader in the renewable energy and chemical manufacturing markets.

    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 Negil McPherson Jr (Chief People 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), Negil McPherson Jr (Chief People 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 People Officer, Chief Administrative Officer.