Ellis Medicine Executive and Leadership Team

October, 2026

Leadership Overview

Ellis Medicine has 10 executives leading key functions including strategy, administration, financial oversight, information technology, human resources, medical affairs, and quality management.

Committed to advancing community health, Ellis Medicine delivers comprehensive inpatient and outpatient care while maintaining a legacy of excellence in teaching and clinical innovation across New York.

Leadership Roles at Ellis Medicine

  • Chief Executive Officer - G.B. Serrill
  • Executive Administrator To the President and Chief Executive Officer and Board of Trustees - Virginia Rust
  • Chief Financial Officer - Danidl Rinaldi
  • Vice President - Finance and Chief Financial Officer - Marc Mesick
  • Chief Information Officer - Kelley Amin
  • Vice President & Chief Human Resources Officer - Deb Solomon
  • Chief of Staff Elect - Robert Joy
  • Chief Human Resources Officer & Shareholder - Letícia Alfon
  • Chief Human Resources Officer & Shareholder - Joanna Davis
  • Chief Medical Officer & Services & Medical Affairs Vice President, Quality - David Liebers
  • G.B. Serrill - Chief Executive Officer

    G.B. Serrill, the Chief Executive Officer at Ellis Medicine, directs the overarching strategic vision for this teaching healthcare system. Overseeing the integration of cardiac, cancer, and neuroscience services, the Chief Executive Officer ensures alignment between clinical excellence and operational sustainability. This leadership role involves managing complex stakeholder relationships and driving long-term growth across the Schenectady region. By prioritizing patient-centered care models, G.B. Serrill directly impacts the quality of medical outcomes. The Chief Executive Officer maintains rigorous standards for all inpatient and outpatient facilities, fostering a culture of continuous improvement. Through active collaboration with the Board of Trustees, the Chief Executive Officer secures the financial and operational future of the organization. Ultimately, Serrill advances the mission of providing high-quality healthcare services to the community while expanding the reach of the system's specialized medical programs.

    Virginia Rust - Executive Administrator To the President and Chief Executive Officer and Board of Trustees

    Virginia Rust, the Executive Administrator To the President and Chief Executive Officer and Board of Trustees at Ellis Medicine, coordinates high-level governance and executive operations. Managing the flow of information between the Board of Trustees and senior leadership, the Executive Administrator To the President and Chief Executive Officer and Board of Trustees ensures efficient decision-making processes. This role involves facilitating strategic meetings and maintaining organizational compliance with healthcare regulations. By streamlining communication channels, Virginia Rust supports the execution of system-wide initiatives. The Executive Administrator To the President and Chief Executive Officer and Board of Trustees oversees administrative workflows that underpin the delivery of emergency and women's services. Through meticulous attention to detail, Rust optimizes the effectiveness of the executive office. Ultimately, the Executive Administrator To the President and Chief Executive Officer and Board of Trustees strengthens the governance framework necessary for the sustained success of the healthcare system.

    Danidl Rinaldi - Chief Financial Officer

    Danidl Rinaldi, the Chief Financial Officer at Ellis Medicine, manages the fiscal health and capital allocation for this extensive healthcare network. Overseeing revenue cycle management and budgetary planning, the Chief Financial Officer ensures the financial viability of inpatient and outpatient service lines. This leadership role involves analyzing market trends to optimize resource distribution across cardiac and cancer departments. By implementing robust financial controls, Danidl Rinaldi supports the expansion of clinical infrastructure. The Chief Financial Officer collaborates with department heads to align operational spending with the broader mission of the organization. Through strategic financial forecasting, the Chief Financial Officer mitigates risks and identifies opportunities for growth within the competitive New York healthcare landscape. Ultimately, Rinaldi secures the necessary funding to maintain high standards of patient care and technological advancement throughout the entire medical system.

    Marc Mesick - Vice President - Finance and Chief Financial Officer

    Marc Mesick, the Vice President - Finance and Chief Financial Officer at Ellis Medicine, oversees the financial reporting and accounting functions for the organization. Managing the daily financial operations, the Vice President - Finance and Chief Financial Officer ensures accurate tracking of revenue and expenses across all clinical departments. This role involves conducting detailed financial audits to maintain compliance with healthcare regulations. By providing actionable financial insights, Marc Mesick assists the executive team in making informed decisions regarding capital investments. The Vice President - Finance and Chief Financial Officer monitors the performance of outpatient services to identify areas for cost optimization. Through rigorous financial oversight, the Vice President - Finance and Chief Financial Officer supports the overall fiscal health of the system. Ultimately, Mesick ensures that the organization maintains the financial stability required to continue its mission of providing comprehensive medical services.

    Kelley Amin - Chief Information Officer

    Kelley Amin, the Chief Information Officer at Ellis Medicine, architects the digital infrastructure and health information systems supporting clinical operations. Overseeing cybersecurity protocols and electronic health record integration, the Chief Information Officer ensures seamless data flow across all departments. This role involves deploying advanced technology to enhance patient care in emergency and neuroscience services. By driving digital transformation, Kelley Amin improves operational efficiency and data accessibility for medical staff. The Chief Information Officer manages the technological roadmap to support the system's teaching mission and research initiatives. Through strategic investment in IT infrastructure, the Chief Information Officer protects sensitive patient information while enabling modern diagnostic capabilities. Ultimately, Amin maintains the technological backbone required for the delivery of high-quality healthcare services, ensuring that the organization remains at the forefront of medical innovation through robust and secure digital solutions.

    Deb Solomon - Vice President & Chief Human Resources Officer

    Deb Solomon, the Vice President & Chief Human Resources Officer at Ellis Medicine, directs talent acquisition, workforce development, and employee relations. Overseeing the recruitment of specialized medical professionals, the Vice President & Chief Human Resources Officer ensures the organization maintains a high-caliber staff for cardiac and women's services. This leadership role involves fostering an inclusive workplace culture that supports the system's teaching mission. By implementing comprehensive training programs, Deb Solomon enhances staff retention and clinical performance. The Vice President & Chief Human Resources Officer collaborates with executive leadership to align human capital strategies with organizational growth objectives. Through effective labor management and performance evaluation systems, the Vice President & Chief Human Resources Officer drives operational excellence across all facilities. Ultimately, Solomon cultivates a professional environment that empowers employees to deliver exceptional patient care while upholding the values of the healthcare system.

    Robert Joy - Chief of Staff Elect

    Robert Joy, the Chief of Staff Elect at Ellis Medicine, prepares to lead the medical staff and coordinate clinical governance across the system. Overseeing the alignment of physician activities with institutional quality standards, the Chief of Staff Elect ensures consistent care delivery in emergency and surgical departments. This role involves facilitating communication between the medical staff and the executive leadership team. By promoting evidence-based practices, Robert Joy supports the organization's commitment to clinical excellence. The Chief of Staff Elect participates in strategic planning to address the evolving needs of the patient population. Through active engagement with department chairs, the Chief of Staff Elect fosters a collaborative environment for medical professionals. Ultimately, Joy strengthens the relationship between the clinical workforce and the administration, ensuring that the healthcare system continues to provide superior medical services to the community.

    Letícia Alfon - Chief Human Resources Officer & Shareholder

    Letícia Alfon, the Chief Human Resources Officer & Shareholder at Ellis Medicine, manages organizational design and compensation structures to drive workforce engagement. Overseeing the implementation of benefits and wellness initiatives, the Chief Human Resources Officer & Shareholder ensures the system attracts top-tier clinical talent. This role involves analyzing workforce data to optimize staffing levels across inpatient and outpatient services. By championing professional development, Letícia Alfon supports the long-term career growth of the medical and administrative staff. The Chief Human Resources Officer & Shareholder collaborates with the Board to ensure human capital strategies reflect the organization's financial and operational goals. Through proactive conflict resolution and policy development, the Chief Human Resources Officer & Shareholder maintains a stable and productive work environment. Ultimately, Alfon secures the human resources necessary to sustain the high-quality care standards expected of this teaching healthcare system.

    Joanna Davis - Chief Human Resources Officer & Shareholder

    Joanna Davis, the Chief Human Resources Officer & Shareholder at Ellis Medicine, leads initiatives focused on organizational culture and leadership development. Overseeing the integration of new staff into the healthcare system, the Chief Human Resources Officer & Shareholder ensures alignment with the organization's core values. This role involves designing performance management systems that reward clinical excellence and innovation. By fostering a supportive work environment, Joanna Davis enhances the overall patient experience through improved staff morale. The Chief Human Resources Officer & Shareholder collaborates with other executives to address workforce challenges in the competitive healthcare market. Through strategic planning, the Chief Human Resources Officer & Shareholder ensures that the organization remains an employer of choice for medical professionals. Ultimately, Davis drives the human capital strategies that enable the system to deliver high-quality care across all specialized service lines.

    David Liebers - Chief Medical Officer & Services & Medical Affairs Vice President, Quality

    David Liebers, the Chief Medical Officer & Services & Medical Affairs Vice President, Quality at Ellis Medicine, directs clinical quality and medical standards across the system. Overseeing the implementation of evidence-based protocols, the Chief Medical Officer & Services & Medical Affairs Vice President, Quality ensures that patient outcomes meet the highest benchmarks. This role involves managing medical affairs and coordinating with clinical department heads to improve service delivery. By monitoring quality metrics, David Liebers identifies opportunities to enhance safety and efficiency in cardiac and cancer care. The Chief Medical Officer & Services & Medical Affairs Vice President, Quality leads initiatives to maintain the organization's status as a premier teaching system. Through rigorous oversight of clinical practices, the Chief Medical Officer & Services & Medical Affairs Vice President, Quality ensures that all medical services remain patient-centered and effective. Ultimately, Liebers upholds the clinical integrity of the entire healthcare organization.

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    Frequently Asked Questions Regarding Ellis Medicine Top Executives and Leadership Team

    Who leads Ellis Medicine?
    Ellis Medicine is led by G.B. Serrill (Chief Executive Officer), along with executives such as Virginia Rust (Executive Administrator To the President and Chief Executive Officer and Board of Trustees) and Danidl Rinaldi (Chief Financial Officer).
    Who is part of Ellis Medicine’s executive team?
    The executive team of Ellis Medicine includes leaders such as G.B. Serrill (Chief Executive Officer), Virginia Rust (Executive Administrator To the President and Chief Executive Officer and Board of Trustees), Danidl Rinaldi (Chief Financial Officer) and other senior executives.
    How many executives does Ellis Medicine have?
    Ellis Medicine has 10 executives leading key business areas.
    What roles are included in Ellis Medicine’s leadership team?
    The leadership team of Ellis Medicine includes roles such as Chief Executive Officer, Executive Administrator To the President and Chief Executive Officer and Board of Trustees, Chief Financial Officer, Vice President - Finance and Chief Financial Officer, Chief Information Officer.