Versiti Executive and Leadership Team

August, 2026

Leadership Overview

Versiti has 10 executives leading key functions including strategy, information technology, financial management, and human resources.

Committed to advancing blood health innovation, Versiti delivers value-added solutions in transfusion medicine and transplantation to improve patient outcomes and drive cost efficiencies for healthcare systems across the United States.

Leadership Roles at Versiti

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

    Dennis Mestrich, the President & Chief Executive Officer at Versiti, directs the overarching strategic vision for national blood health initiatives. Mestrich architects long-term growth plans that align transfusion medicine services with the evolving needs of healthcare partners. By overseeing the integration of clinical research and diagnostic capabilities, the President & Chief Executive Officer ensures that the organization maintains a competitive edge in blood-related disease management. This leadership role involves constant collaboration with the Board to refine operational goals and expand market reach. Through rigorous oversight of organizational performance, Dennis Mestrich secures the stability of the enterprise. Ultimately, Mestrich drives the mission to improve patient outcomes by fostering a culture of innovation and excellence across all regional operations, ensuring that the company remains a trusted partner for healthcare systems nationwide.

    Christopher Miskel - President & Chief Executive Officer

    Christopher Miskel, the President & Chief Executive Officer at Versiti, manages the expansion of transplantation services and clinical partnerships. Miskel focuses on scaling the national footprint of the organization to increase access to life-saving blood health solutions. By optimizing the delivery of value-added services, the President & Chief Executive Officer enhances the efficiency of healthcare systems. This role requires deep engagement with external stakeholders to identify emerging trends in transfusion medicine. Through the implementation of data-driven strategies, Christopher Miskel strengthens the market position of the company. Miskel prioritizes the development of sustainable business models that support long-term health outcomes for patients. By leading cross-functional teams, the President & Chief Executive Officer ensures that every service line meets the highest standards of quality and reliability, effectively supporting the broader organizational goal of improving health across the country.

    Byron Buhner - President & Chief Executive Officer

    Byron Buhner, the President & Chief Executive Officer at Versiti, oversees the operational execution of blood health programs and diagnostic service lines. Buhner directs the alignment of internal resources to meet the complex demands of transfusion medicine and transplantation customers. By streamlining service delivery, the President & Chief Executive Officer improves the overall cost-effectiveness of the organization. This leadership position involves managing relationships with healthcare providers to ensure seamless integration of diagnostic tools. Through the application of rigorous quality control measures, Byron Buhner maintains the integrity of the supply chain and clinical services. Buhner drives initiatives that enhance the accessibility of care for patients suffering from blood-related diseases. By focusing on operational excellence, the President & Chief Executive Officer ensures that the company delivers consistent value to its partners, ultimately strengthening the national impact of the organization.

    Terri Ainsworth - Chief Financial Officer

    Terri Ainsworth, the Chief Financial Officer at Versiti, manages the fiscal health and capital allocation strategies of the organization. Ainsworth directs the budgeting process to ensure that resources support the expansion of transfusion medicine and transplantation services. By overseeing financial reporting and compliance, the Chief Financial Officer maintains the transparency required for sustainable growth. This role involves working closely with the executive team to evaluate the financial viability of new clinical initiatives. Through the optimization of cost structures, Terri Ainsworth drives the efficiency of healthcare systems nationwide. Ainsworth monitors economic trends to mitigate risks and identify opportunities for investment in blood health innovation. By providing strategic financial guidance, the Chief Financial Officer ensures that the company remains well-positioned to meet the needs of its customers while achieving long-term financial stability and operational success.

    Anthony Watkins - Executive Vice President & Chief Financial Officer

    Anthony Watkins, the Executive Vice President & Chief Financial Officer at Versiti, oversees the long-term financial planning and investment strategies for the enterprise. Watkins directs the capital management efforts to support the development of innovative blood-related disease solutions. By analyzing market performance, the Executive Vice President & Chief Financial Officer ensures that the organization allocates funds toward high-impact clinical research and service expansion. This role involves coordinating with the Board to establish fiscal policies that promote growth and stability. Through the implementation of robust financial controls, Anthony Watkins safeguards the assets of the company. Watkins drives the development of pricing models that provide value to healthcare partners while maintaining profitability. By focusing on fiscal discipline, the Executive Vice President & Chief Financial Officer supports the mission to improve patient outcomes through sustainable and efficient business practices.

    Derek Tyus - Executive Vice President & Chief Financial Officer

    Derek Tyus, the Executive Vice President & Chief Financial Officer at Versiti, manages the treasury functions and financial risk assessment for the organization. Tyus directs the analysis of revenue streams to ensure that the company maintains the liquidity needed for ongoing innovation in transfusion medicine. By overseeing the financial integration of new healthcare partnerships, the Executive Vice President & Chief Financial Officer enhances the overall efficiency of the business model. This role involves developing strategies to optimize cash flow and reduce operational costs across all service lines. Through the application of advanced financial modeling, Derek Tyus supports the strategic decision-making process of the leadership team. Tyus drives the alignment of financial goals with the broader mission of improving patient health. By ensuring fiscal accountability, the Executive Vice President & Chief Financial Officer secures the resources necessary for the company to lead in blood health.

    Brian Bautista - Executive Vice President & Chief Operating Officer

    Brian Bautista, the Executive Vice President & Chief Operating Officer at Versiti, directs the daily operations of the organization to ensure the seamless delivery of blood health services. Bautista oversees the logistics and supply chain management required for transfusion medicine and transplantation. By optimizing operational workflows, the Executive Vice President & Chief Operating Officer improves the efficiency of healthcare systems nationwide. This role involves coordinating with clinical leaders to ensure that all services meet the highest quality standards. Through the implementation of process improvements, Brian Bautista drives cost efficiencies and expands access to care. Bautista manages the performance of regional operations to ensure consistency in service delivery. By focusing on operational excellence, the Executive Vice President & Chief Operating Officer supports the company's mission to improve patient outcomes through reliable and innovative solutions that meet the needs of every customer.
    Brian Bautista

    Rodeina Davis - Chief Information Officer

    Rodeina Davis, the Chief Information Officer at Versiti, architects the digital infrastructure necessary to support blood health innovation and clinical data management. Davis directs the implementation of secure, scalable technology platforms that facilitate efficient communication between healthcare partners and the organization. By overseeing the modernization of information systems, the Chief Information Officer ensures that diagnostic data remains accurate and accessible. This role involves collaborating with other C-suite leaders to integrate digital solutions into the core business model. Through the deployment of advanced analytics, Rodeina Davis enables the company to track patient outcomes and optimize service delivery. Davis manages the cybersecurity framework to protect sensitive health information across all regional operations. By driving digital transformation, the Chief Information Officer supports the organizational mission to improve patient care through technological advancement and data-driven decision-making processes.

    James Weidner - Executive Vice President & Chief Human Resources Officer

    James Weidner, the Executive Vice President & Chief Human Resources Officer at Versiti, directs the talent acquisition and organizational development strategies. Weidner oversees the recruitment of specialized clinical and administrative staff to support the mission of blood health innovation. By fostering a culture of excellence, the Executive Vice President & Chief Human Resources Officer ensures that the workforce remains aligned with the needs of healthcare partners. This role involves designing training programs that enhance the skills of employees in transfusion medicine and transplantation. Through the management of compensation and benefits, James Weidner promotes employee retention and engagement. Weidner drives initiatives that support diversity and inclusion across all regional operations. By focusing on human capital, the Executive Vice President & Chief Human Resources Officer ensures that the company possesses the expertise required to deliver high-quality care and drive improved patient outcomes.

    Lynne Briggs - Vice President & Chief Information Officer

    Lynne Briggs, the Vice President & Chief Information Officer at Versiti, manages the enterprise-wide technology strategy and digital infrastructure. Briggs directs the implementation of software solutions that streamline the delivery of blood-related disease services. By overseeing the integration of clinical systems, the Vice President & Chief Information Officer ensures that healthcare partners receive timely and accurate information. This role involves leading the IT team in developing secure platforms that support the complex requirements of transfusion medicine. Through the optimization of network performance, Lynne Briggs enhances the operational efficiency of the organization. Briggs drives the adoption of new technologies that improve patient access to care. By focusing on digital innovation, the Vice President & Chief Information Officer supports the company's mission to provide value-added solutions that improve health outcomes for patients across the nation.
    Lynne Briggs

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    Frequently Asked Questions Regarding Versiti Top Executives and Leadership Team

    Who leads Versiti?
    Versiti is led by Dennis Mestrich (President & Chief Executive Officer), along with executives such as Christopher Miskel (President & Chief Executive Officer) and Byron Buhner (President & Chief Executive Officer).
    Who is part of Versiti’s executive team?
    The executive team of Versiti includes leaders such as Dennis Mestrich (President & Chief Executive Officer), Christopher Miskel (President & Chief Executive Officer), Byron Buhner (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 Vice President & Chief Financial Officer.