Group O Executive and Leadership Team

July, 2026

Leadership Overview

Group O has 4 executives leading key functions including strategy, technology, supply chain, and operations.

Driven by innovation, Group O provides end-to-end solutions across marketing, supply chain, packaging, and mobile device lifecycle management, impacting markets nationwide.

Leadership Roles at Group O

  • Chief Executive Officer - Gregg Ontiveros
  • President - Michael Holzwarth
  • Chief Technology Officer - Bill Liebbe
  • Supply Chain Solutions Chief of Staff - Jeremiah Green
  • Gregg Ontiveros - Chief Executive Officer

    Gregg Ontiveros, the Chief Executive Officer at Group O, directs the overarching corporate strategy and vision. Ontiveros guides the company's expansion into new markets and ensures alignment with its core mission of providing end-to-end solutions. This leadership role involves fostering innovation across all divisions, including marketing, supply chain, packaging, and mobile device lifecycle management. Ontiveros drives the company's commitment to operational excellence and client satisfaction, leveraging Group O's extensive experience since its founding. By setting strategic objectives, Gregg Ontiveros ensures sustainable growth and maintains the company's competitive edge in the transportation and logistics sectors. The Chief Executive Officer's focus remains on enhancing service offerings and solidifying Group O's position as a premier solutions provider.

    Michael Holzwarth - President

    Michael Holzwarth, the President at Group O, directs the company's operational execution and business development efforts. Holzwarth oversees the integration of marketing, supply chain, packaging, and mobile device lifecycle solutions, ensuring cohesive service delivery across all client engagements. This leadership position focuses on driving revenue growth and expanding market reach, particularly within the company's major operational areas in Minnesota and Texas. Michael Holzwarth champions the company's commitment to innovation and client success, reinforcing Group O's status as an end-to-end solutions provider. The President's strategic oversight ensures operational excellence and the continuous enhancement of service offerings. Holzwarth's leadership is instrumental in achieving the company's long-term business objectives and maintaining its competitive market position.

    Bill Liebbe - Chief Technology Officer

    Bill Liebbe, the Chief Technology Officer at Group O, architects the company's technological infrastructure and digital transformation initiatives. Liebbe oversees the development and implementation of innovative solutions that enhance Group O's marketing, supply chain, packaging, and mobile device lifecycle services. This critical role involves driving technological advancements to optimize operational efficiency and client experience across major operations in Minnesota and Texas. Bill Liebbe ensures that Group O remains at the forefront of technological integration, supporting the company's end-to-end solutions model. By managing the technology roadmap, the Chief Technology Officer enables data-driven decision-making and supports the company's strategic growth objectives. Liebbe's expertise is vital in maintaining Group O's competitive advantage through cutting-edge technology.

    Jeremiah Green - Supply Chain Solutions Chief of Staff

    Jeremiah Green, the Supply Chain Solutions Chief of Staff at Group O, optimizes the efficiency and effectiveness of the company's supply chain operations. Green collaborates closely with leadership to execute strategic initiatives across packaging and mobile device lifecycle solutions, ensuring seamless integration with marketing and broader supply chain services. This position involves enhancing operational workflows and driving process improvements throughout major operational hubs in Minnesota and Texas. Jeremiah Green supports the development and implementation of advanced supply chain strategies that align with Group O's end-to-end solutions framework. The Supply Chain Solutions Chief of Staff plays a key part in maintaining high standards of service delivery and client support. Green's efforts are directed towards maximizing logistical performance and reinforcing Group O's reputation for reliability.

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    Frequently Asked Questions Regarding Group O Top Executives and Leadership Team

    Who leads Group O?
    Group O is led by Gregg Ontiveros (Chief Executive Officer), along with executives such as Michael Holzwarth (President) and Bill Liebbe (Chief Technology Officer).
    Who is part of Group O’s executive team?
    The executive team of Group O includes leaders such as Gregg Ontiveros (Chief Executive Officer), Michael Holzwarth (President), Bill Liebbe (Chief Technology Officer) and other senior executives.
    How many executives does Group O have?
    Group O has 4 executives leading key business areas.
    What roles are included in Group O’s leadership team?
    The leadership team of Group O includes roles such as Chief Executive Officer, President, Chief Technology Officer, Supply Chain Solutions Chief of Staff.