Vireo Growth Executive and Leadership Team

September, 2026

Leadership Overview

Vireo Growth has 4 executives leading key functions including strategy, operations, finance, and market expansion.

Driven by an entrepreneurial spirit, Vireo Growth sustains an ongoing commitment to serve and delight its key stakeholders, fostering innovation and community engagement across its operational footprint.

Leadership Roles at Vireo Growth

  • Chief Executive Officer & Co-Executive Chairman - John Mazarakis
  • President & Chief Executive Officer - Amber Shimpa
  • President & Chief Executive Officer (Minnesota, Maryland, & New York) - Amber Shimpa
  • Chief Financial Officer - Tyson Macdonald
  • John Mazarakis - Chief Executive Officer & Co-Executive Chairman

    John Mazarakis, the Chief Executive Officer & Co-Executive Chairman at Vireo Growth, directs the overarching corporate strategy and guides the company's long-term vision. Mazarakis architects Vireo Growth's expansion initiatives, ensuring alignment with the company's foundational mission to serve stakeholders and communities. This leadership role involves fostering a culture of innovation and operational excellence across all business units. By championing strategic partnerships and market development, John Mazarakis drives the company's commitment to stakeholder satisfaction and sustainable growth. The Chief Executive Officer & Co-Executive Chairman's focus remains on solidifying Vireo Growth's position as a pioneer in its industry, emphasizing ethical practices and community integration in every operational decision. This executive ensures the company's entrepreneurial drive translates into tangible value for customers, employees, and shareholders alike.
    John Mazarakis

    Amber Shimpa - President & Chief Executive Officer

    Amber Shimpa, the President & Chief Executive Officer at Vireo Growth, spearheads daily operations and executes the strategic directives set forth by the board. Shimpa oversees the company's commitment to delighting stakeholders, particularly customers and employees, by ensuring efficient service delivery and a supportive work environment. This executive drives operational improvements across all Vireo Growth's markets, focusing on enhancing customer experience and fostering industry collaborations. By managing key business functions, Amber Shimpa ensures the company's entrepreneurial spirit translates into robust performance and market leadership. The President & Chief Executive Officer's responsibilities include cultivating strong relationships with industry collaborators and community partners, reinforcing Vireo Growth's dedication to responsible operations. Through diligent oversight, Shimpa maintains the company's pioneering status and commitment to shareholder value.
    Amber Shimpa

    Amber Shimpa - President & Chief Executive Officer (Minnesota, Maryland, & New York)

    Amber Shimpa, the President & Chief Executive Officer (Minnesota, Maryland, & New York) at Vireo Growth, directs regional operational execution and market-specific strategic implementation. Shimpa ensures the company's commitment to serving customers and communities within these key states is paramount, driving localized initiatives that align with the broader corporate mission. This executive oversees the integration of Vireo Growth's entrepreneurial ethos into daily operations across Minnesota, Maryland, and New York, fostering employee engagement and operational excellence. By managing regional performance and stakeholder relations, Amber Shimpa strengthens Vireo Growth's presence and impact in these critical markets. The President & Chief Executive Officer (Minnesota, Maryland, & New York)'s focus includes optimizing supply chains and ensuring compliance with state-specific regulations, thereby supporting overall company growth and shareholder interests.
    Amber Shimpa

    Tyson Macdonald - Chief Financial Officer

    Tyson Macdonald, the Chief Financial Officer at Vireo Growth, manages the company's financial health and strategic fiscal planning. Macdonald oversees all financial operations, including budgeting, forecasting, and capital allocation, ensuring resources effectively support Vireo Growth's mission and stakeholder commitments. This executive drives financial strategies that enhance shareholder value and operational efficiency across the organization. By maintaining rigorous financial controls and exploring investment opportunities, Tyson Macdonald ensures the company's entrepreneurial drive is financially sustainable. The Chief Financial Officer's role is critical in guiding Vireo Growth's expansion efforts and managing financial risks associated with market dynamics. Macdonald's expertise ensures robust financial reporting and compliance, underpinning the company's integrity and long-term viability in the pharmaceutical manufacturing sector.
    Tyson Macdonald

    Frequently Asked Questions Regarding Vireo Growth Top Executives and Leadership Team

    Who leads Vireo Growth?
    Vireo Growth is led by John Mazarakis (Chief Executive Officer & Co-Executive Chairman), along with executives such as Amber Shimpa (President & Chief Executive Officer) and Amber Shimpa (President & Chief Executive Officer (Minnesota, Maryland, & New York)).
    Who is part of Vireo Growth’s executive team?
    The executive team of Vireo Growth includes leaders such as John Mazarakis (Chief Executive Officer & Co-Executive Chairman), Amber Shimpa (President & Chief Executive Officer), Amber Shimpa (President & Chief Executive Officer (Minnesota, Maryland, & New York)) and other senior executives.
    How many executives does Vireo Growth have?
    Vireo Growth has 4 executives leading key business areas.
    What roles are included in Vireo Growth’s leadership team?
    The leadership team of Vireo Growth includes roles such as Chief Executive Officer & Co-Executive Chairman, President & Chief Executive Officer, President & Chief Executive Officer (Minnesota, Maryland, & New York), Chief Financial Officer.