MMS Holdings Executive and Leadership Team

July, 2026

Leadership Overview

MMS Holdings has 5 executives leading key functions including operations, finance, information technology, and leadership.

Driven by a commitment to client success, MMS Holdings operates as a global, data-focused CRO, dedicated to navigating the evolving needs of sponsors with a science-first approach and a proven track record of customer satisfaction.

Leadership Roles at MMS Holdings

  • Chief Financial Officer - Stacy Rusley
  • Chief Operating Officer - Christopher Schoonmaker
  • President - Micky Miranda
  • President - Yonghoon Jeong
  • Chief Information Officer - Michael Frakes
  • Stacy Rusley - Chief Financial Officer

    Stacy Rusley, the Chief Financial Officer at MMS Holdings, manages all financial planning, reporting, and fiscal strategy. Rusley oversees the company's financial health, ensuring robust budgeting and accurate forecasting to support sustained organic growth. This critical role involves managing investments, optimizing capital allocation, and maintaining strong relationships with financial stakeholders. By implementing rigorous financial controls and driving fiscal discipline, Stacy Rusley directly contributes to the company's impeccable 97 percent customer satisfaction rating and its ability to navigate complex data services for sponsors. The Chief Financial Officer's expertise is foundational to MMS Holdings' long-term stability and its capacity to expand its global reach while upholding its science-first approach.

    Christopher Schoonmaker - Chief Operating Officer

    Christopher Schoonmaker, the Chief Operating Officer at MMS Holdings, directs global operations and internal scaling. Overseeing the company's day-to-day functions, Schoonmaker ensures operational efficiency and the seamless execution of client projects. This leadership role involves optimizing resource allocation and driving process improvements across the organization's more than 950 colleagues worldwide. By focusing on scalable infrastructure and robust internal systems, Christopher Schoonmaker directly supports the company's mission to provide dependable, customer-driven data services. The Chief Operating Officer's strategic oversight guarantees that MMS Holdings maintains its high standards of service delivery and continues its year-over-year organic growth, reinforcing its position as a trusted partner in regulatory submissions.

    Micky Miranda - President

    Micky Miranda, the President at MMS Holdings, drives strategic initiatives and overall business development, focusing on expanding market presence and client partnerships. Miranda oversees key growth areas, ensuring alignment with the company's core mission of being a global, data-focused CRO. This executive role involves fostering strong relationships with sponsors, guiding them through complex data services and regulatory submission goals. By championing a customer-driven approach and reinforcing the science-first methodology, Micky Miranda directly contributes to the company's proven success and its high customer satisfaction ratings. The President's leadership ensures MMS Holdings continues to provide exceptional care and guide clients towards positive outcomes.

    Yonghoon Jeong - President

    Yonghoon Jeong, the President at MMS Holdings, spearheads strategic planning and operational excellence, with a particular emphasis on global expansion and service delivery innovation. Jeong directs efforts to enhance the company's capabilities in data services and regulatory submissions, ensuring MMS Holdings remains at the forefront of the CRO industry. This leadership function involves cultivating a culture of scientific rigor and customer focus across the organization's worldwide operations. By driving strategic partnerships and optimizing service offerings, Yonghoon Jeong directly supports the company's commitment to client success and its reputation for dependability. The President's vision guides MMS Holdings in consistently meeting and exceeding the evolving needs of its sponsors.

    Michael Frakes - Chief Information Officer

    Michael Frakes, the Chief Information Officer at MMS Holdings, architects and directs the company's technology infrastructure and digital strategy. Frakes oversees the development and implementation of secure, scalable IT systems that support global data services and regulatory submissions. This leadership position involves ensuring data integrity, enhancing cybersecurity measures, and leveraging technology to drive innovation. By optimizing the technological backbone of the organization, Michael Frakes directly enables MMS Holdings to cater to the unique and evolving needs of its sponsors. The Chief Information Officer's focus on advanced data management and digital solutions reinforces the company's science-first methodology and its commitment to providing clients with a dependable, customer-driven experience.

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    Frequently Asked Questions Regarding MMS Holdings Top Executives and Leadership Team

    Who leads MMS Holdings?
    MMS Holdings is led by Stacy Rusley (Chief Financial Officer), along with executives such as Christopher Schoonmaker (Chief Operating Officer) and Micky Miranda (President).
    Who is part of MMS Holdings’s executive team?
    The executive team of MMS Holdings includes leaders such as Stacy Rusley (Chief Financial Officer), Christopher Schoonmaker (Chief Operating Officer), Micky Miranda (President) and other senior executives.
    How many executives does MMS Holdings have?
    MMS Holdings has 5 executives leading key business areas.
    What roles are included in MMS Holdings’s leadership team?
    The leadership team of MMS Holdings includes roles such as Chief Financial Officer, Chief Operating Officer, President, President, Chief Information Officer.