Ambipar Group Executive and Leadership Team

June, 2026

Leadership Overview

Ambipar Group has 8 executives leading key functions including strategy, operations, finance, information technology, and sustainability.

Driven by integrated preparedness, Ambipar Group operates worldwide, specializing in environmental services and technologies, providing an unparalleled breadth of integrated environmental services for clients, positioning itself as the home of integrated preparedness for oil and hazmat incident response services.

Leadership Roles at Ambipar Group

  • Chief Executive Officer and Co-founder of Ambipar Group - Tercio Junior
  • Chief Financial Officer - Joao Arruda
  • Chief Financial Officer, Assistente Executiva DE - Eliane Goldner
  • Chief Operating Officer - Dennys Spencer
  • Sustainability President - Rafael Tello
  • President - Trevor Motkoski
  • Global Chief Information Officer & Chief Information Officer & Director, Information Technology - Ulisses Alem
  • Supervisor, Operations - Jean Chery
  • Tercio Junior - Chief Executive Officer and Co-founder of Ambipar Group

    Tercio Junior, the Chief Executive Officer and Co-founder of Ambipar Group, directs the overarching strategy and global expansion of the company's integrated environmental services. Overseeing worldwide operations, Tercio Junior ensures the alignment of Ambipar Response's capabilities with the Group's mission of providing preparedness for oil and hazmat incident response. This leadership role involves driving innovation in environmental technologies and expanding the company's reach to serve major global organizations. By fostering strategic partnerships and optimizing resource allocation, Tercio Junior directly impacts the company's market leadership. Ultimately, Junior secures the long-term vision and financial stability of Ambipar Group.

    Joao Arruda - Chief Financial Officer

    Joao Arruda, the Chief Financial Officer at Ambipar Group, oversees all financial operations and strategic financial planning for the global enterprise. Managing the fiscal health of the organization, Joao Arruda ensures robust financial controls and drives investment strategies that support the company's expansion in environmental services and technologies. This critical role involves optimizing capital allocation and managing financial risks associated with worldwide operations. By providing clear financial insights and guidance, Arruda directly influences the Group's profitability and sustainable growth. Ultimately, Joao Arruda safeguards the financial integrity and long-term economic viability of Ambipar Group.

    Eliane Goldner - Chief Financial Officer, Assistente Executiva DE

    Eliane Goldner, the Chief Financial Officer, Assistente Executiva DE at Ambipar Group, provides crucial financial support and executive assistance within the finance department. Collaborating closely with the Chief Financial Officer, Eliane Goldner contributes to the management of financial reporting, budgeting, and analysis for the Group's global operations. This role involves ensuring the accuracy and integrity of financial data, supporting strategic financial initiatives, and facilitating smooth communication between finance teams and other departments. By diligently managing financial processes, Goldner directly aids in maintaining the fiscal health and operational efficiency of Ambipar Group. Ultimately, Eliane Goldner reinforces the financial stability required for worldwide environmental service delivery.

    Dennys Spencer - Chief Operating Officer

    Dennys Spencer, the Chief Operating Officer at Ambipar Group, directs the operational execution and efficiency across all global business units, particularly Ambipar Response. Overseeing the integration of environmental services and technologies, Dennys Spencer ensures seamless delivery of oil and hazmat incident response capabilities to a worldwide client base. This leadership position involves optimizing supply chains, enhancing operational workflows, and managing the approximately five thousand staff members across the globe. By driving operational excellence, Spencer directly impacts the company's ability to provide integrated preparedness solutions. Ultimately, Dennys Spencer strengthens Ambipar Group's position as a leader in environmental services.

    Rafael Tello - Sustainability President

    Rafael Tello, the Sustainability President at Ambipar Group, champions and directs the company's commitment to environmental stewardship and sustainable business practices across its global operations. Overseeing sustainability initiatives, Rafael Tello integrates eco-friendly technologies and responsible resource management into Ambipar Response's service offerings, aligning with the Group's core mission. This pivotal role involves developing and implementing strategies that minimize environmental impact while maximizing positive social and economic contributions worldwide. By driving sustainable innovation, Tello directly enhances Ambipar Group's reputation and long-term viability. Ultimately, Rafael Tello ensures the company operates as a responsible global citizen.

    Trevor Motkoski - President

    Trevor Motkoski, the President at Ambipar Group, leads specific strategic initiatives and operational oversight within the organization's global framework. Focusing on key business objectives, Trevor Motkoski drives the execution of plans designed to enhance Ambipar Response's service capabilities and market presence worldwide. This executive position involves fostering collaboration across departments and ensuring alignment with the Group's overarching mission of integrated preparedness for environmental incidents. By providing decisive leadership, Motkoski directly contributes to the company's growth and operational effectiveness. Ultimately, Trevor Motkoski supports Ambipar Group's commitment to delivering unparalleled environmental services to its international clientele.

    Ulisses Alem - Global Chief Information Officer & Chief Information Officer & Director, Information Technology

    Ulisses Alem, the Global Chief Information Officer & Chief Information Officer & Director, Information Technology at Ambipar Group, architects and oversees the entire global IT infrastructure and digital strategy. Managing the technological backbone for worldwide operations, Ulisses Alem ensures robust, secure, and scalable information systems that support Ambipar Response's critical environmental services. This leadership function involves driving digital transformation, implementing advanced technologies, and safeguarding sensitive data across the organization. By enhancing technological capabilities, Alem directly improves operational efficiency and the company's ability to deliver integrated preparedness solutions. Ultimately, Ulisses Alem strengthens Ambipar Group's competitive edge through strategic information technology leadership.

    Jean Chery - Supervisor, Operations

    Jean Chery, the Supervisor, Operations at Ambipar Group, manages day-to-day operational activities critical to the company's environmental services. Overseeing specific operational units, Jean Chery ensures the efficient execution of oil and hazmat incident response protocols. This role involves coordinating field teams and resources to maintain the highest standards of preparedness for clients worldwide. By focusing on operational excellence, Chery directly contributes to the reliability and effectiveness of Ambipar Response's service delivery. Ultimately, Jean Chery supports the Group's commitment to providing integrated environmental solutions across global markets.

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    Frequently Asked Questions Regarding Ambipar Group Top Executives and Leadership Team

    Who leads Ambipar Group?
    Ambipar Group is led by Tercio Junior (Chief Executive Officer and Co-founder of Ambipar Group), along with executives such as Joao Arruda (Chief Financial Officer) and Eliane Goldner (Chief Financial Officer, Assistente Executiva DE).
    Who is part of Ambipar Group’s executive team?
    The executive team of Ambipar Group includes leaders such as Tercio Junior (Chief Executive Officer and Co-founder of Ambipar Group), Joao Arruda (Chief Financial Officer), Eliane Goldner (Chief Financial Officer, Assistente Executiva DE) and other senior executives.
    How many executives does Ambipar Group have?
    Ambipar Group has 8 executives leading key business areas.
    What roles are included in Ambipar Group’s leadership team?
    The leadership team of Ambipar Group includes roles such as Chief Executive Officer and Co-founder of Ambipar Group, Chief Financial Officer, Chief Financial Officer, Assistente Executiva DE, Chief Operating Officer, Sustainability President.