Precision Medicine Group Executive and Leadership Team

June, 2026

Leadership Overview

Precision Medicine Group has 9 executives leading key functions including strategy, finance, technology, operations, human resources, administration, and clinical solutions.

Driven by a commitment to innovation, Precision Medicine Group empowers pharmaceutical and life-sciences clients to navigate complex product development and commercialization landscapes through an integrated team of experts.

Leadership Roles at Precision Medicine Group

  • Chief Executive Officer - Margaret Keegan
  • Co-Founder & Chief Executive Officer - Mark Clein
  • Vice President, Chief of Staff To the Chief Executive Officer - Marcus Brown
  • Chief Financial Officer - Karl Deonanan
  • Translational Sciences Chief Operating Officer & Chief Financial Officer - Michael Winston
  • President - Chad Clarke
  • Chief Technology Officer - Othniel Badea
  • Chief People Officer - Tracey Leahy
  • Chief Administrative Officer, Clinical Solutions - David Winn
  • Margaret Keegan - Chief Executive Officer

    Margaret Keegan, the Chief Executive Officer at Precision Medicine Group, directs the overarching strategy and operational execution for the organization. Keegan guides the company's mission to assist pharmaceutical and life-sciences clients in overcoming product development and commercialization hurdles within a dynamic market. This leadership involves aligning the integrated team of experts across advanced lab sciences, translational informatics, regulatory affairs, payer insights, and marketing communications to deliver comprehensive solutions. Keegan's focus ensures the company maintains its position as a vital partner for clients navigating complex industry challenges. The Chief Executive Officer's role is central to fostering innovation and driving the successful delivery of services that address critical needs in the life sciences sector. By setting the strategic vision, Margaret Keegan ensures the company's continued growth and impact in the market.

    Mark Clein - Co-Founder & Chief Executive Officer

    Mark Clein, the Co-Founder & Chief Executive Officer at Precision Medicine Group, spearheads the company's strategic direction and foundational growth initiatives. Clein's leadership is integral to establishing and advancing the firm's integrated approach, combining expertise in advanced lab sciences, translational informatics, regulatory affairs, payer insights, and marketing communications. This dual role emphasizes both the entrepreneurial spirit of the company's inception and its ongoing executive management. Clein drives the company's commitment to helping pharmaceutical and life-sciences clients conquer product development and commercialization challenges. The Chief Executive Officer's oversight ensures that the diverse team of experts collaborates effectively to deliver impactful solutions. Mark Clein's vision continues to shape the company's trajectory in a rapidly evolving environment.

    Marcus Brown - Vice President, Chief of Staff To the Chief Executive Officer

    Marcus Brown, the Vice President, Chief of Staff To the Chief Executive Officer at Precision Medicine Group, provides strategic support and operational coordination for the CEO. Brown facilitates the execution of key initiatives, manages cross-functional projects, and ensures alignment across the leadership team. This role is essential for optimizing the efficiency of the executive office and driving forward the company's strategic objectives. The Vice President, Chief of Staff's responsibilities include streamlining communication, preparing executive materials, and overseeing special projects that advance the company's mission. Marcus Brown's support enables the Chief Executive Officer to focus on high-level strategy and client engagement, ensuring seamless operations within the organization.

    Karl Deonanan - Chief Financial Officer

    Karl Deonanan, the Chief Financial Officer at Precision Medicine Group, manages the company's financial health and strategic fiscal planning. Deonanan oversees all financial operations, including budgeting, forecasting, and resource allocation, ensuring robust financial stewardship across the organization. This role is critical in supporting the company's mission to provide development and commercialization services for pharmaceutical and life-sciences clients. The Chief Financial Officer's expertise ensures that financial strategies align with the company's growth objectives and operational demands. By maintaining financial integrity, Deonanan enables Precision Medicine Group to invest in its integrated team of experts and advanced capabilities. Karl Deonanan's leadership ensures the financial stability required to address complex product development and commercialization challenges for clients.
    Karl Deonanan

    Michael Winston - Translational Sciences Chief Operating Officer & Chief Financial Officer

    Michael Winston, the Translational Sciences Chief Operating Officer & Chief Financial Officer at Precision Medicine Group, manages critical operational and financial functions within the translational sciences division. Winston oversees the execution of scientific initiatives and ensures financial discipline across these specialized areas. This dual role highlights a comprehensive approach to managing both the scientific progress and the fiscal health of translational science projects. The Chief Operating Officer & Chief Financial Officer's oversight is vital for supporting the company's mission to assist pharmaceutical and life-sciences clients. Michael Winston's leadership ensures that translational science operations are efficient, effective, and financially sound, directly contributing to client success in product development.
    Michael Winston

    Chad Clarke - President

    Chad Clarke, the President at Precision Medicine Group, drives operational excellence and strategic growth across the organization. Clarke's leadership focuses on enhancing the delivery of development and commercialization services to pharmaceutical and life-sciences clients. This role involves overseeing key business units and ensuring seamless collaboration among the company's diverse expert teams. The President's responsibilities include fostering client relationships and identifying new opportunities for service expansion. Chad Clarke's strategic oversight is crucial for maintaining the company's competitive edge and ensuring client satisfaction in a rapidly evolving market. Clarke's commitment to operational efficiency supports the company's mission to conquer product development challenges.

    Othniel Badea - Chief Technology Officer

    Othniel Badea, the Chief Technology Officer at Precision Medicine Group, directs the company's technological infrastructure and innovation strategy. Badea oversees the integration of advanced informatics and digital solutions that support the firm's comprehensive services for pharmaceutical and life-sciences clients. This leadership ensures that the company leverages cutting-edge technology to enhance product development and commercialization efforts. The Chief Technology Officer's responsibilities include managing data science initiatives, ensuring cybersecurity, and driving the adoption of new technological advancements. Badea's focus on technological excellence empowers the integrated team of experts to deliver data-driven insights and efficient solutions. Othniel Badea's strategic technology vision is crucial for navigating the evolving landscape of life sciences.

    Tracey Leahy - Chief People Officer

    Tracey Leahy, the Chief People Officer at Precision Medicine Group, leads human resources strategy and talent management initiatives. Leahy is responsible for cultivating a high-performing organizational culture, overseeing recruitment, employee development, and compensation strategies. This role is fundamental to building and retaining the integrated team of experts that drives the company's success. The Chief People Officer's focus ensures that Precision Medicine Group attracts and retains top talent across all specialized fields, from lab sciences to informatics and regulatory affairs. Tracey Leahy's leadership in people operations is critical for supporting the company's mission to deliver exceptional services to pharmaceutical and life-sciences clients.

    David Winn - Chief Administrative Officer, Clinical Solutions

    David Winn, the Chief Administrative Officer, Clinical Solutions at Precision Medicine Group, directs administrative operations and strategic initiatives within the clinical solutions division. Winn ensures the efficient management of resources and processes that support the delivery of clinical services to clients. This role is vital for optimizing the operational framework that enables the company to assist pharmaceutical and life-sciences clients effectively. The Chief Administrative Officer's responsibilities include overseeing departmental functions, managing vendor relationships, and implementing administrative policies that enhance productivity. David Winn's leadership ensures that clinical solution operations are streamlined and aligned with the company's overall mission to address product development challenges.
    David Winn

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    Frequently Asked Questions Regarding Precision Medicine Group Top Executives and Leadership Team

    Who leads Precision Medicine Group?
    Precision Medicine Group is led by Margaret Keegan (Chief Executive Officer), along with executives such as Mark Clein (Co-Founder & Chief Executive Officer) and Marcus Brown (Vice President, Chief of Staff To the Chief Executive Officer).
    Who is part of Precision Medicine Group’s executive team?
    The executive team of Precision Medicine Group includes leaders such as Margaret Keegan (Chief Executive Officer), Mark Clein (Co-Founder & Chief Executive Officer), Marcus Brown (Vice President, Chief of Staff To the Chief Executive Officer) and other senior executives.
    How many executives does Precision Medicine Group have?
    Precision Medicine Group has 9 executives leading key business areas.
    What roles are included in Precision Medicine Group’s leadership team?
    The leadership team of Precision Medicine Group includes roles such as Chief Executive Officer, Co-Founder & Chief Executive Officer, Vice President, Chief of Staff To the Chief Executive Officer, Chief Financial Officer, Translational Sciences Chief Operating Officer & Chief Financial Officer.