MMT Executive and Leadership Team

May, 2026

Leadership Overview

MMT has 4 executives leading key functions including finance, operations, ownership, and specialized technologies.

Driven by innovation, MMT revolutionizes medical device manufacturing through integrated applications expertise, technical solutions, and comprehensive aftermarket support, solidifying its market leadership from its North Carolina headquarters.

Leadership Roles at MMT

  • Chief Financial Officer - Amber Fields
  • Chief Operating Officer - Richard Stetler
  • President & Owner - Vivian Stevens-Lyons
  • Division President, Catheter Technologies - Trent Steckler
  • Amber Fields - Chief Financial Officer

    Amber Fields, the Chief Financial Officer at MMT, directs all financial strategy and fiscal operations. Overseeing budgeting, forecasting, and financial reporting, Fields ensures robust capital management and drives profitability. This leadership role involves optimizing MMT's financial structure to support ambitious growth objectives and maintain strong investor relations. By analyzing market trends and economic indicators, Amber Fields guides strategic investment decisions and manages financial risks effectively. The Chief Financial Officer's oversight extends to all financial planning and analysis, ensuring alignment with the company's overall mission of revolutionizing medical device manufacturing. Fields's expertise in financial modeling and resource allocation is critical for sustaining MMT's operational excellence and expanding its service offerings across the medical technology sector.
    Amber Fields

    Richard Stetler - Chief Operating Officer

    Richard Stetler, the Chief Operating Officer at MMT, orchestrates the company's day-to-day operational execution and efficiency. Stetler oversees all manufacturing processes, supply chain management, and quality control initiatives, ensuring seamless integration of technical solutions and applications expertise. This role is pivotal in translating MMT's strategic vision into tangible operational outcomes, driving the company's mission to revolutionize medical device manufacturing. Richard Stetler's focus remains on enhancing production scalability and optimizing resource utilization across all operational facets. By implementing best practices in manufacturing and logistics, Stetler ensures MMT consistently delivers high-quality services and products to its clients. The Chief Operating Officer's leadership directly impacts MMT's ability to provide comprehensive aftermarket support and maintain its competitive edge in the medical technology industry.

    Vivian Stevens-Lyons - President & Owner

    Vivian Stevens-Lyons, the President & Owner at MMT, provides overarching strategic direction and executive leadership. Stevens-Lyons champions the company's core mission of revolutionizing medical device manufacturing, guiding MMT's vision and long-term growth trajectory. This ownership role involves fostering a culture of innovation and excellence, ensuring the integration of applications expertise, technical solutions, and aftermarket support. Vivian Stevens-Lyons directs key strategic partnerships and corporate development initiatives, solidifying MMT's position in the North Carolina market and beyond. The President & Owner's influence is critical in shaping MMT's market impact and commitment to advancing medical technology manufacturing. Stevens-Lyons's leadership ensures the company remains at the forefront of the industry, driving value for clients and stakeholders.

    Trent Steckler - Division President, Catheter Technologies

    Trent Steckler, the Division President, Catheter Technologies at MMT, spearheads the strategic development and operational oversight of MMT's catheter technology division. Steckler directs all aspects of catheter manufacturing, from design and prototyping to full-scale production, ensuring adherence to the highest industry standards. This specialized leadership role is crucial for advancing MMT's technical solutions in this critical medical device segment. Trent Steckler focuses on driving innovation within catheter technologies, enhancing manufacturing processes, and expanding the division's service capabilities. By leveraging deep applications expertise, Steckler ensures MMT provides cutting-edge solutions to clients in the cardiovascular and peripheral intervention markets. The Division President's commitment to operational excellence and technological advancement is fundamental to MMT's reputation for quality and reliability in specialized medical manufacturing.

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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 Vivian Stevens-Lyons (President & Owner).
    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), Vivian Stevens-Lyons (President & Owner) and other senior executives.
    How many executives does MMT have?
    MMT has 4 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 & Owner, Division President, Catheter Technologies.