Versiti Executive and Leadership Team

October, 2026

Leadership Overview

Versiti has 10 executives leading key functions including strategic direction, financial oversight, information technology, and human resources.

Committed to advancing blood health innovation, Versiti delivers value-added solutions in transfusion medicine and transplantation to improve patient outcomes and support healthcare systems across the nation.

Leadership Roles at Versiti

  • President & Chief Executive Officer - Christopher Miskel
  • President & Chief Executive Officer - Byron Buhner
  • President & Chief Executive Officer - Dennis Mestrich
  • Chief Financial Officer - Terri Ainsworth
  • Executive Assistant To Chief Financial Officer and Chief Human Resources Officer - Sarah Kenyon
  • Executive Vice President & Chief Financial Officer - Derek Tyus
  • Executive Vice President & Chief Operating Officer - Brian Bautista
  • Chief Information Officer - Rodeina Davis
  • Vice President & Chief Information Officer - Lynne Briggs
  • Executive Vice President & Chief Human Resources Officer - James Weidner
  • Christopher Miskel - President & Chief Executive Officer

    Christopher Miskel, the President & Chief Executive Officer at Versiti, directs the overarching strategic vision for national blood health initiatives. Miskel architects long-term growth plans by aligning transfusion medicine services with the evolving needs of healthcare partners. This leadership role involves managing complex organizational structures to ensure consistent delivery of life-saving blood products. By fostering innovation in transplantation and blood-related disease research, Christopher Miskel drives the company toward improved patient outcomes. Miskel maintains rigorous standards for operational excellence, ensuring that Versiti remains a leader in the health services sector. Through constant engagement with the Board and executive leadership, Miskel secures the resources necessary for scaling operations across the United States. Ultimately, Miskel guarantees that the organization meets its mission of enhancing patient care while maintaining financial sustainability for all healthcare systems.

    Byron Buhner - President & Chief Executive Officer

    Byron Buhner, the President & Chief Executive Officer at Versiti, focuses on the expansion of clinical partnerships and the optimization of regional blood supply networks. Buhner manages the integration of value-added solutions into existing hospital workflows to maximize efficiency. This leadership role requires constant coordination with external stakeholders to identify emerging needs in transfusion medicine. By prioritizing the scalability of blood-related disease services, Byron Buhner strengthens the market position of the organization. Buhner oversees the implementation of strategic initiatives that broaden access to care for diverse patient populations. Through meticulous analysis of market trends, Buhner ensures that the company adapts to the shifting landscape of national healthcare. Ultimately, Buhner drives the operational success of the organization by fostering collaborative relationships that support the core mission of improving health outcomes for patients nationwide.

    Dennis Mestrich - President & Chief Executive Officer

    Dennis Mestrich, the President & Chief Executive Officer at Versiti, concentrates on the development of innovative research frameworks and the advancement of transplantation science. Mestrich directs the scientific strategy to ensure that the organization remains at the forefront of blood health innovation. This leadership role involves overseeing the translation of complex medical research into practical, value-added solutions for healthcare providers. By championing advancements in transfusion medicine, Dennis Mestrich enhances the quality of care delivered to patients. Mestrich coordinates with clinical teams to ensure that research efforts align with the broader goals of the company. Through the promotion of evidence-based practices, Mestrich supports the expansion of specialized medical services. Ultimately, Mestrich secures the future of the organization by fostering a culture of scientific excellence that directly impacts patient survival rates and long-term health outcomes.

    Terri Ainsworth - Chief Financial Officer

    Terri Ainsworth, the Chief Financial Officer at Versiti, oversees the fiscal health and capital allocation strategies of the organization. Ainsworth directs financial planning, budgeting, and reporting processes to ensure the long-term viability of blood health initiatives. This leadership role involves managing complex financial risks associated with transfusion medicine and transplantation services. By optimizing cost structures, Terri Ainsworth enables the company to provide value-added solutions to healthcare partners nationwide. Ainsworth works closely with the Board to maintain transparency and fiscal accountability. Through the implementation of rigorous financial controls, Ainsworth supports the expansion of clinical operations and research programs. Ultimately, Ainsworth drives the financial stability of the company, ensuring that resources remain available to support the mission of improving patient outcomes and fostering innovation in the field of blood-related diseases.

    Sarah Kenyon - Executive Assistant To Chief Financial Officer and Chief Human Resources Officer

    Sarah Kenyon, the Executive Assistant To Chief Financial Officer and Chief Human Resources Officer at Versiti, coordinates the administrative functions that support executive decision-making. Kenyon manages the complex schedules and communication flows for the financial and human resources departments. This leadership role involves facilitating collaboration between the Chief Financial Officer and the Chief Human Resources Officer to ensure organizational alignment. By streamlining internal processes, Sarah Kenyon enhances the productivity of the executive team. Kenyon oversees the preparation of critical reports and documentation required for strategic planning sessions. Through the effective management of administrative resources, Kenyon supports the broader mission of the company. Ultimately, Kenyon ensures that the executive leadership team operates with maximum efficiency, allowing the organization to focus on delivering high-quality blood health services and maintaining strong relationships with healthcare partners.

    Derek Tyus - Executive Vice President & Chief Financial Officer

    Derek Tyus, the Executive Vice President & Chief Financial Officer at Versiti, leads the strategic financial operations and investment activities of the company. Tyus architects comprehensive financial models that support the growth of transfusion medicine and transplantation services. This leadership role involves overseeing the treasury, accounting, and financial planning functions to ensure robust performance. By identifying opportunities for cost efficiencies, Derek Tyus enables the organization to deliver greater value to healthcare systems. Tyus collaborates with the executive team to evaluate the financial impact of new clinical initiatives and market expansions. Through the management of capital assets, Tyus ensures that the company maintains the necessary liquidity to pursue its mission. Ultimately, Tyus drives the financial health of the organization, providing the stability required to innovate and improve patient outcomes across the nation.

    Brian Bautista - Executive Vice President & Chief Operating Officer

    Brian Bautista, the Executive Vice President & Chief Operating Officer at Versiti, manages the daily operational activities and supply chain logistics for blood health services. Bautista directs the execution of clinical programs to ensure that transfusion medicine and transplantation solutions reach patients efficiently. This leadership role involves overseeing the performance of regional operations to maintain high standards of service delivery. By streamlining internal workflows, Brian Bautista drives cost efficiencies for healthcare systems nationwide. Bautista collaborates with other executives to align operational capacity with the strategic goals of the company. Through the implementation of process improvements, Bautista ensures that the organization meets the growing demand for blood-related disease treatments. Ultimately, Bautista secures the operational success of the company by maintaining a focus on quality, safety, and the consistent delivery of life-saving medical products.
    Brian Bautista

    Rodeina Davis - Chief Information Officer

    Rodeina Davis, the Chief Information Officer at Versiti, manages the digital infrastructure and data security protocols essential for blood health operations. Davis architects robust information systems that support the seamless delivery of transfusion medicine services. This leadership role involves overseeing the integration of advanced analytics to improve supply chain visibility and patient data management. By implementing secure, scalable technology solutions, Rodeina Davis ensures that healthcare partners receive timely and accurate information. Davis collaborates with other C-suite leaders to align digital transformation efforts with the overall strategic goals of the company. Through the modernization of internal platforms, Davis drives operational efficiency and reduces costs for healthcare systems. Ultimately, Davis protects the integrity of critical health data while enabling the organization to leverage technology for superior patient care and expanded access to medical services.

    Lynne Briggs - Vice President & Chief Information Officer

    Lynne Briggs, the Vice President & Chief Information Officer at Versiti, directs the enterprise-wide technology strategy and digital innovation initiatives. Briggs oversees the implementation of advanced software solutions that streamline blood collection and distribution processes. This leadership role involves managing the cybersecurity framework to protect sensitive patient and donor information. By optimizing the digital ecosystem, Lynne Briggs ensures that the organization maintains high levels of operational agility. Briggs collaborates with clinical and administrative teams to integrate new technologies that enhance the quality of transfusion medicine services. Through the continuous improvement of IT infrastructure, Briggs supports the company's goal of expanding access to care. Ultimately, Briggs drives the digital transformation of the organization, ensuring that technology serves as a catalyst for improved patient outcomes and operational excellence in the health services sector.
    Lynne Briggs

    James Weidner - Executive Vice President & Chief Human Resources Officer

    James Weidner, the Executive Vice President & Chief Human Resources Officer at Versiti, leads the talent acquisition, organizational development, and employee engagement strategies. Weidner architects programs that foster a culture of excellence and innovation among the workforce. This leadership role involves managing human capital to ensure that the organization attracts and retains top talent in the health services industry. By aligning workforce capabilities with the strategic mission of the company, James Weidner supports the delivery of high-quality patient care. Weidner collaborates with the executive team to develop leadership pipelines and promote professional growth across all departments. Through the implementation of effective HR policies, Weidner ensures that the organization remains a preferred employer. Ultimately, Weidner drives the success of the company by building a resilient and skilled team dedicated to improving health outcomes for patients.

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    Frequently Asked Questions Regarding Versiti Top Executives and Leadership Team

    Who leads Versiti?
    Versiti is led by Christopher Miskel (President & Chief Executive Officer), along with executives such as Byron Buhner (President & Chief Executive Officer) and Dennis Mestrich (President & Chief Executive Officer).
    Who is part of Versiti’s executive team?
    The executive team of Versiti includes leaders such as Christopher Miskel (President & Chief Executive Officer), Byron Buhner (President & Chief Executive Officer), Dennis Mestrich (President & Chief Executive Officer) and other senior executives.
    How many executives does Versiti have?
    Versiti has 10 executives leading key business areas.
    What roles are included in Versiti’s leadership team?
    The leadership team of Versiti includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Executive Assistant To Chief Financial Officer and Chief Human Resources Officer.