Rho Executive and Leadership Team

June, 2026

Leadership Overview

Rho has 8 executives leading key functions including strategy, finance, operations, revenue, technology, medical affairs, and co-founding.

Dedicated to advancing drug development, Rho provides comprehensive clinical research services, driving innovation across the pharmaceutical landscape with a commitment to scientific rigor and client success.

Leadership Roles at Rho

  • Chief Executive Officer - Lawrence Morentz
  • Chief Financial Officer - Francis Wall
  • Chief Operating Officer - Stas Johnson-Chyzhykov
  • President & Co-Founder - Mary Helms
  • President - Deborah Johnson
  • Chief Revenue Officer - Thomas McNulty
  • Technology Chief of Staff - Biljana Djordjevic
  • Chief Medical Officer - Andrew Feigin
  • Lawrence Morentz - Chief Executive Officer

    Lawrence Morentz, the Chief Executive Officer at Rho, directs the overarching corporate strategy and operational framework. Overseeing all business units, Morentz ensures alignment with the company's mission to provide comprehensive clinical research services across the drug development lifecycle. This leadership position involves guiding Rho's expansion and maintaining its status as a privately-held contract research organization. Morentz drives the company's commitment to scientific excellence and client satisfaction, fostering an environment of innovation. The Chief Executive Officer's responsibilities include strategic partnerships and long-term financial health. By focusing on market dynamics and regulatory landscapes, Lawrence Morentz positions Rho for sustained growth and impact in the biopharmaceutical sector.

    Francis Wall - Chief Financial Officer

    Francis Wall, the Chief Financial Officer at Rho, manages all financial operations and fiscal strategy. Overseeing budgeting, forecasting, and financial reporting, Wall ensures the fiscal integrity of the organization. This role involves strategic financial planning to support Rho's full range of clinical research services and its continued operation as a privately-held entity. The Chief Financial Officer drives financial performance, manages investment strategies, and ensures compliance with all financial regulations. Wall's oversight extends to capital allocation and risk management, safeguarding the company's assets. By optimizing financial structures, Francis Wall directly contributes to Rho's ability to fund its extensive drug development support services and maintain its market position.

    Stas Johnson-Chyzhykov - Chief Operating Officer

    Stas Johnson-Chyzhykov, the Chief Operating Officer at Rho, directs the execution of clinical research services and operational efficiency. Overseeing day-to-day operations, Johnson-Chyzhykov ensures the seamless delivery of services across the entire drug development process. This critical role involves optimizing resource allocation, managing project timelines, and maintaining high standards of quality for Rho's contract research organization functions. The Chief Operating Officer drives operational improvements and implements best practices to enhance service delivery. Johnson-Chyzhykov's focus is on streamlining workflows and ensuring the effective deployment of personnel and technology. By managing operational complexities, Stas Johnson-Chyzhykov supports Rho's mission to accelerate drug development for its clients.

    Mary Helms - President & Co-Founder

    Mary Helms, the President & Co-Founder at Rho, provides foundational leadership and strategic direction, drawing on extensive experience in clinical research. Overseeing key aspects of the company's operations and long-term vision, Helms ensures Rho continues its legacy of providing comprehensive drug development services. This role involves guiding strategic initiatives and maintaining the company's core values established since its inception. The President & Co-Founder contributes significantly to Rho's market positioning and client engagement strategies. Helms's deep understanding of the contract research landscape informs critical business decisions. By championing the company's mission, Mary Helms reinforces Rho's commitment to scientific rigor and client success in advancing pharmaceutical innovation.

    Deborah Johnson - President

    Deborah Johnson, the President at Rho, directs significant operational and strategic initiatives within the organization. Overseeing key business functions, Johnson ensures the effective delivery of Rho's full spectrum of clinical research services. This leadership position focuses on driving operational excellence and fostering growth across the company's service lines. The President plays a vital role in client relations and strategic partnerships, reinforcing Rho's commitment to supporting drug development. Johnson's responsibilities include enhancing service offerings and ensuring compliance with industry standards. By leading critical business units, Deborah Johnson contributes to Rho's sustained success and its reputation as a premier contract research organization.

    Thomas McNulty - Chief Revenue Officer

    Thomas McNulty, the Chief Revenue Officer at Rho, leads all revenue-generating activities and sales strategies. Overseeing the sales and business development teams, McNulty drives market penetration and client acquisition for Rho's comprehensive clinical research services. This executive position focuses on expanding the company's client base and maximizing revenue streams within the drug development sector. The Chief Revenue Officer develops and executes strategies to achieve ambitious sales targets and foster long-term client relationships. McNulty's responsibilities include market analysis and identifying new business opportunities. By driving revenue growth, Thomas McNulty ensures Rho's financial stability and capacity to invest in cutting-edge research support.

    Biljana Djordjevic - Technology Chief of Staff

    Biljana Djordjevic, the Technology Chief of Staff at Rho, aligns technology initiatives with the company's strategic objectives. Overseeing the integration and optimization of technological resources, Djordjevic ensures that Rho's infrastructure effectively supports its clinical research services. This role involves managing technology projects, driving digital transformation, and enhancing the company's technological capabilities across the drug development process. The Technology Chief of Staff collaborates with various departments to implement innovative solutions and improve operational efficiency. Djordjevic's focus is on leveraging technology to streamline research, enhance data management, and maintain a competitive edge. By driving technological advancements, Biljana Djordjevic strengthens Rho's position as a leading contract research organization.

    Andrew Feigin - Chief Medical Officer

    Andrew Feigin, the Chief Medical Officer at Rho, provides critical medical and scientific leadership for clinical research programs. Overseeing the medical strategy and scientific integrity of studies, Feigin ensures that Rho's services align with the highest standards of medical practice and regulatory compliance. This role involves guiding the interpretation of clinical data and advising on therapeutic areas across the drug development spectrum. The Chief Medical Officer contributes expertise in clinical trial design and execution, ensuring patient safety and data validity. Feigin's responsibilities include scientific consultation and fostering relationships with the medical community. By leading medical affairs, Andrew Feigin enhances Rho's reputation for scientific excellence and its ability to support complex research initiatives.

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    Frequently Asked Questions Regarding Rho Top Executives and Leadership Team

    Who leads Rho?
    Rho is led by Lawrence Morentz (Chief Executive Officer), along with executives such as Francis Wall (Chief Financial Officer) and Stas Johnson-Chyzhykov (Chief Operating Officer).
    Who is part of Rho’s executive team?
    The executive team of Rho includes leaders such as Lawrence Morentz (Chief Executive Officer), Francis Wall (Chief Financial Officer), Stas Johnson-Chyzhykov (Chief Operating Officer) and other senior executives.
    How many executives does Rho have?
    Rho has 8 executives leading key business areas.
    What roles are included in Rho’s leadership team?
    The leadership team of Rho includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, President & Co-Founder, President.