Expand Executive and Leadership Team

May, 2026

Leadership Overview

Expand Energy has 6 executives leading key functions including strategy, finance, operations, compression services, and purchasing.

Driven by responsible development, Expand is dedicated to efficiently producing natural gas to meet national demand while prioritizing sustainability and safety.

Leadership Roles at Expand

  • Interim Chief Executive Officer and Chairman of the Board - Michael (Mike) Wichterich
  • Chief Financial Officer - Marcel Teunissen
  • Executive Vice President & Chief Operating Officer - Joshua Viets
  • President, Compression Services - Alan Lavenue
  • President, Circle C Equipment Llc, Purchasing - Rick Collins
  • Chief Operations Officer - Chris Ramson
  • Michael (Mike) Wichterich - Interim Chief Executive Officer and Chairman of the Board

    Michael (Mike) Wichterich, the Interim Chief Executive Officer and Chairman of the Board at Expand, directs the overarching strategy and governance for the U.S.-based natural gas and energy company. Wichterich guides the integration of Chesapeake Energy and Southwestern Energy, solidifying Expand Energy's position as a major independent producer. Overseeing operations across key shale basins like Haynesville and Appalachia, the Interim Chief Executive Officer ensures the company's focus on responsible and efficient resource development. This leadership role involves setting the strategic vision for natural gas production, marketing, gathering, and compression. By championing sustainability and safety initiatives, Michael (Mike) Wichterich drives the company's commitment to reducing environmental impact while reliably supplying energy to meet national demand.

    Marcel Teunissen - Chief Financial Officer

    Marcel Teunissen, the Chief Financial Officer at Expand, manages the financial health and strategic fiscal planning for the merged energy entity. Teunissen oversees all financial operations, including accounting, treasury, and investor relations, ensuring robust capital allocation for resource development. This role is critical in navigating the financial complexities arising from the merger of Chesapeake Energy and Southwestern Energy. By optimizing the company's financial structure, the Chief Financial Officer supports Expand Energy's focus on efficient natural gas production and marketing. Marcel Teunissen's leadership ensures financial discipline across gathering and compression services, reinforcing the company's commitment to sustainability and safety while meeting national energy demands.
    Marcel Teunissen

    Joshua Viets - Executive Vice President & Chief Operating Officer

    Joshua Viets, the Executive Vice President & Chief Operating Officer at Expand, directs the operational execution across the company's extensive natural gas production activities. Viets oversees the day-to-day management of operations in major shale basins, including Haynesville and Appalachia, ensuring efficient and safe extraction of resources. This position is pivotal in translating the company's strategic goals into tangible operational outcomes. By driving operational excellence, the Executive Vice President & Chief Operating Officer ensures the effective implementation of gathering and compression services. Joshua Viets's focus on responsible development supports Expand Energy's mission to supply energy while minimizing environmental impact and adhering to stringent safety standards.

    Alan Lavenue - President, Compression Services

    Alan Lavenue, the President, Compression Services at Expand, leads the specialized division focused on the critical infrastructure for natural gas processing and transportation. Lavenue oversees the strategic deployment and operational management of compression assets across Expand Energy's operating regions. This leadership ensures the efficient and safe handling of natural gas, supporting the company's overall production and marketing efforts. By driving innovation and efficiency within compression services, Alan Lavenue contributes significantly to the company's ability to meet national energy demands reliably. The focus remains on maintaining high safety standards and minimizing environmental impact throughout the compression process.

    Rick Collins - President, Circle C Equipment Llc, Purchasing

    Rick Collins, the President, Circle C Equipment Llc, Purchasing at Expand, directs the procurement strategies and management of essential equipment for the company's operations. Collins oversees the acquisition of machinery and resources vital for natural gas production, gathering, and compression services. This role is fundamental to ensuring operational efficiency and cost-effectiveness across all business segments. By optimizing purchasing processes, the President, Circle C Equipment Llc, Purchasing ensures that Expand Energy has the necessary tools to develop its resource base responsibly. Rick Collins's strategic sourcing supports the company's commitment to safety and sustainability while meeting national energy requirements.

    Chris Ramson - Chief Operations Officer

    Chris Ramson, the Chief Operations Officer at Expand, spearheads the operational strategies for the company's extensive natural gas gathering and compression services. Ramson manages the infrastructure development and maintenance critical for efficient resource transportation and delivery across major U.S. shale basins. This role is essential for optimizing the flow of natural gas from production sites to market. By ensuring the reliability and efficiency of gathering and compression networks, the Chief Operations Officer directly supports Expand Energy's commitment to meeting national energy demand. Chris Ramson's leadership reinforces the company's focus on operational safety and environmental responsibility in all aspects of its business.

    Explore Leadership Teams in Energy, Utilities & Waste

    Frequently Asked Questions Regarding Expand Top Executives and Leadership Team

    Who leads Expand?
    Expand is led by Michael (Mike) Wichterich (Interim Chief Executive Officer and Chairman of the Board), along with executives such as Marcel Teunissen (Chief Financial Officer) and Joshua Viets (Executive Vice President & Chief Operating Officer).
    Who is part of Expand’s executive team?
    The executive team of Expand includes leaders such as Michael (Mike) Wichterich (Interim Chief Executive Officer and Chairman of the Board), Marcel Teunissen (Chief Financial Officer), Joshua Viets (Executive Vice President & Chief Operating Officer) and other senior executives.
    How many executives does Expand have?
    Expand has 6 executives leading key business areas.
    What roles are included in Expand’s leadership team?
    The leadership team of Expand includes roles such as Interim Chief Executive Officer and Chairman of the Board, Chief Financial Officer, Executive Vice President & Chief Operating Officer, President, Compression Services, President, Circle C Equipment Llc, Purchasing.