Miller Environmental Group Executive and Leadership Team

May, 2026

Leadership Overview

Miller Environmental Group has 5 executives leading key functions including strategy, operations, finance, human resources, and corporate leadership.

Driven by a steadfast commitment to sustainability, Miller Environmental Group delivers innovative environmental solutions that mitigate impact, conserve resources, and promote ecological balance, empowering industries toward a healthier future.

Leadership Roles at Miller Environmental Group

  • Chief Executive Officer - Robert Schreck
  • Chief Financial Officer - William Ostmann
  • Chief Operating Officer - Gerald Coogan
  • President - Biricim Miller
  • Chief Human Resources Officer - Onna O'Meara
  • Robert Schreck - Chief Executive Officer

    Robert Schreck, the Chief Executive Officer at Miller Environmental Group, directs the overarching corporate strategy and vision. Schreck guides the company's commitment to sustainability, efficiency, and effectiveness, ensuring all operations align with core values of integrity and responsibility. This leadership role involves fostering innovation in environmental solutions and driving the company's mission to empower communities and industries toward environmentally conscious practices. Schreck's strategic direction ensures Miller Environmental Group remains at the forefront of mitigating environmental impact and conserving natural resources. The Chief Executive Officer's focus extends to enhancing the company's market position and long-term ecological impact. Robert Schreck's leadership ensures the company's continued growth and dedication to a healthier, more sustainable future for all.

    William Ostmann - Chief Financial Officer

    William Ostmann, the Chief Financial Officer at Miller Environmental Group, manages all financial aspects, ensuring fiscal responsibility and strategic resource allocation. Ostmann directs financial planning, budgeting, and investment strategies that support the company's commitment to sustainability and efficiency. This critical finance leadership role involves analyzing financial performance, identifying opportunities for cost optimization, and securing funding for innovative environmental solutions. William Ostmann's expertise ensures the company's financial health, enabling continued investment in cutting-edge technology and best practices. The Chief Financial Officer's oversight is crucial for maintaining the company's integrity and responsibility in all transactions. By managing financial resources effectively, William Ostmann directly contributes to the company's capacity to deliver impactful environmental solutions and promote ecological balance.

    Gerald Coogan - Chief Operating Officer

    Gerald Coogan, the Chief Operating Officer at Miller Environmental Group, executes the day-to-day operational strategies that uphold the company's commitment to sustainability and efficiency. Coogan oversees the implementation of cutting-edge technology and best practices across all service delivery channels, ensuring effectiveness in mitigating environmental impact. This operational leadership role involves optimizing resource allocation and streamlining processes to conserve natural resources and promote ecological balance. Gerald Coogan's direct oversight ensures that all field operations and project management adhere to the highest standards of integrity and responsibility. The Chief Operating Officer's responsibilities include driving operational excellence and ensuring seamless integration of innovative solutions. By managing the core functions, Gerald Coogan directly supports the company's mission to empower industries with environmentally conscious practices.
    Gerald Coogan

    Biricim Miller - President

    Biricim Miller, the President at Miller Environmental Group, provides executive leadership and strategic guidance across key business functions. Miller champions the company's core commitment to sustainability, efficiency, and effectiveness in all environmental solutions. This presidential role involves fostering strong relationships with stakeholders and driving the adoption of innovative technologies and best practices. Biricim Miller's leadership ensures the company's ongoing efforts to mitigate environmental impact, conserve natural resources, and promote ecological balance. The President's vision is instrumental in upholding the values of integrity and responsibility. By guiding strategic initiatives, Biricim Miller directly supports the company's mission to empower industries and communities toward a more sustainable future.

    Onna O'Meara - Chief Human Resources Officer

    Onna O'Meara, the Chief Human Resources Officer at Miller Environmental Group, cultivates a robust organizational culture centered on sustainability and responsibility. O'Meara directs talent acquisition, employee development, and engagement strategies that align with the company's mission to deliver effective environmental solutions. This human resources leadership role involves fostering an environment where innovation and best practices thrive, supporting the conservation of natural resources and ecological balance. Onna O'Meara's focus on people ensures that the team possesses the expertise to implement cutting-edge technology and uphold the company's values. The Chief Human Resources Officer's strategic initiatives are vital for empowering communities and industries through environmentally conscious practices. By nurturing the workforce, Onna O'Meara directly supports the company's long-term success and commitment to a healthier future.
    Onna O'Meara

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    Frequently Asked Questions Regarding Miller Environmental Group Top Executives and Leadership Team

    Who leads Miller Environmental Group?
    Miller Environmental Group is led by Robert Schreck (Chief Executive Officer), along with executives such as William Ostmann (Chief Financial Officer) and Gerald Coogan (Chief Operating Officer).
    Who is part of Miller Environmental Group’s executive team?
    The executive team of Miller Environmental Group includes leaders such as Robert Schreck (Chief Executive Officer), William Ostmann (Chief Financial Officer), Gerald Coogan (Chief Operating Officer) and other senior executives.
    How many executives does Miller Environmental Group have?
    Miller Environmental Group has 5 executives leading key business areas.
    What roles are included in Miller Environmental Group’s leadership team?
    The leadership team of Miller Environmental Group includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, President, Chief Human Resources Officer.