MMT Executive and Leadership Team

July, 2026

Leadership Overview

MMT has 7 executives leading key functions including operations, finance, and divisional leadership.

Driven by innovation, MMT is dedicated to revolutionizing medical device manufacturing through its comprehensive manufacturing-as-a-service model, combining applications expertise, technical solutions, and aftermarket support to empower clients in North Carolina and beyond.

Leadership Roles at MMT

  • Chief Financial Officer - Amber Fields
  • Chief Operating Officer - Richard Stetler
  • President - J. Atkinson
  • Division President, Catheter Technologies - Trent Steckler
  • Division President, Guidewire & Abrasive Technologies - Jesse Metcalf
  • President & Owner - Vivian Stevens-Lyons
  • President - Adam Chen
  • Amber Fields - Chief Financial Officer

    Amber Fields, the Chief Financial Officer at MMT, manages all financial strategies and fiscal operations. Fields oversees budgeting, financial planning, and investment analysis, ensuring the company's financial health and sustainable growth. This critical role involves managing capital allocation and risk assessment to support MMT's mission of revolutionizing medical device manufacturing. By providing strategic financial guidance, Amber Fields enables the company to invest in advanced technologies and expand its service offerings. The Chief Financial Officer's oversight extends to ensuring compliance with financial regulations and optimizing resource utilization across all departments. Through astute financial management, Fields supports MMT's market position and long-term viability.
    Amber Fields

    Richard Stetler - Chief Operating Officer

    Richard Stetler, the Chief Operating Officer at MMT, directs all operational facets of the company's manufacturing-as-a-service model. Stetler oversees the integration of applications expertise and technical solutions, ensuring seamless execution from concept to production for medical device manufacturers. This leadership role involves optimizing production workflows and supply chain logistics to enhance efficiency and scalability across MMT's North Carolina operations. By driving operational excellence, Richard Stetler ensures the company consistently delivers high-quality manufacturing support, directly contributing to the revolution in medical device production. The Chief Operating Officer's focus remains on refining processes and expanding service capabilities to meet evolving industry demands.

    J. Atkinson - President

    J. Atkinson, the President at MMT, provides overarching strategic direction for the company's operations and market expansion. Atkinson leads the executive team in defining MMT's vision and executing its mission to revolutionize medical device manufacturing. This leadership position involves fostering innovation and ensuring the company's applications expertise and technical solutions remain at the forefront of the industry. By guiding strategic initiatives, J. Atkinson drives the company's commitment to delivering comprehensive manufacturing-as-a-service. The President's focus is on cultivating strong client relationships and enhancing MMT's reputation for reliability and technical prowess. Atkinson's leadership ensures alignment across all divisions, supporting the company's growth objectives.

    Trent Steckler - Division President, Catheter Technologies

    Trent Steckler, the Division President, Catheter Technologies at MMT, spearheads all operations and strategic development within the catheter technologies division. Steckler directs the application of specialized manufacturing processes and technical solutions tailored for catheter production. This role involves ensuring MMT's expertise in this niche area drives innovation and meets the stringent demands of medical device manufacturers. By focusing on this specific technology, Trent Steckler enhances MMT's capabilities in delivering specialized manufacturing-as-a-service. The Division President's oversight ensures product quality, process efficiency, and client satisfaction within the catheter segment. Steckler's leadership supports the division's growth and its contribution to MMT's overall market impact.

    Jesse Metcalf - Division President, Guidewire & Abrasive Technologies

    Jesse Metcalf, the Division President, Guidewire & Abrasive Technologies at MMT, leads the strategic direction and operational execution for these specialized technology areas. Metcalf oversees the development and deployment of advanced manufacturing solutions for guidewire and abrasive technologies, crucial components in many medical devices. This leadership position ensures MMT provides cutting-edge applications expertise and technical solutions tailored to these specific product lines. By concentrating on these critical technologies, Jesse Metcalf strengthens MMT's position as a leader in specialized medical device manufacturing. The Division President's responsibilities include driving innovation, maintaining high production standards, and fostering client partnerships. Metcalf's focus supports the division's advancement and MMT's comprehensive service offering.

    Vivian Stevens-Lyons - President & Owner

    Vivian Stevens-Lyons, the President & Owner at MMT, provides ultimate strategic oversight and ownership of the company's direction and operations. Stevens-Lyons guides the executive team in upholding MMT's mission to revolutionize medical device manufacturing through its comprehensive manufacturing-as-a-service model. This pivotal role involves setting the long-term vision, fostering a culture of innovation, and ensuring the company's applications expertise and technical solutions consistently meet market needs. By championing MMT's core values, Vivian Stevens-Lyons drives the company's commitment to excellence and client success. The President & Owner's influence extends to strategic partnerships and overall business development, solidifying MMT's industry standing. Stevens-Lyons ensures sustained growth and market leadership.

    Adam Chen - President

    Adam Chen, the President at MMT, directs the strategic initiatives and operational performance across key business units. Chen leads the implementation of MMT's manufacturing-as-a-service model, ensuring the seamless integration of applications expertise and technical solutions. This leadership role focuses on driving efficiency, fostering innovation, and expanding market reach for medical device manufacturers. By overseeing critical operational aspects, Adam Chen supports the company's objective to revolutionize the industry. The President's responsibilities include enhancing client relationships and ensuring the delivery of high-quality aftermarket support. Chen's strategic guidance contributes significantly to MMT's growth and its reputation for technical excellence.

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    Frequently Asked Questions Regarding MMT Top Executives and Leadership Team

    Who leads MMT?
    MMT is led by Amber Fields (Chief Financial Officer), along with executives such as Richard Stetler (Chief Operating Officer) and J. Atkinson (President).
    Who is part of MMT’s executive team?
    The executive team of MMT includes leaders such as Amber Fields (Chief Financial Officer), Richard Stetler (Chief Operating Officer), J. Atkinson (President) and other senior executives.
    How many executives does MMT have?
    MMT has 7 executives leading key business areas.
    What roles are included in MMT’s leadership team?
    The leadership team of MMT includes roles such as Chief Financial Officer, Chief Operating Officer, President, Division President, Catheter Technologies, Division President, Guidewire & Abrasive Technologies.