Chartis Executive and Leadership Team

September, 2026

Leadership Overview

Chartis has 7 executives leading key functions including operations, financial management, organizational strategy, and database administration.

Dedicated to advancing healthcare delivery, Chartis empowers hospitals and health systems to navigate complex regulatory landscapes while driving sustainable financial performance and superior patient outcomes through specialized advisory services.

Leadership Roles at Chartis

  • Chief Financial Officer - Suprab Ratanavessuwan
  • Chief Operating Officer - Shannon Brownell
  • Co-founder & Chief Operating Officer - Thomas Marcus
  • President & Database Administrator - Shane Mccaffrey
  • President - Gregory Maddrey
  • Partner and Vice President, Chief of Staff - Erinn McKain
  • Rev - Isaac Flerctsher
  • Suprab Ratanavessuwan - Chief Financial Officer

    Suprab Ratanavessuwan, the Chief Financial Officer at Chartis, manages the fiscal health and long-term financial sustainability of the organization. Ratanavessuwan oversees capital allocation, budgeting, and financial reporting to support the firm's strategic expansion into new healthcare technology sectors. By analyzing market trends and revenue streams, the Chief Financial Officer provides the necessary data to guide executive decision-making regarding service portfolio growth. This leadership role requires close collaboration with other C-suite members to ensure that financial resources align with the firm's commitment to clinical performance optimization. Suprab Ratanavessuwan directs financial planning initiatives that bolster the company's ability to serve diverse stakeholders, including investors and health systems. Through disciplined fiscal management, the Chief Financial Officer secures the stability required for continuous innovation. Ratanavessuwan maintains a focus on maximizing value for clients while ensuring the firm achieves its internal profitability targets within the competitive healthcare consulting landscape.

    Shannon Brownell - Chief Operating Officer

    Shannon Brownell, the Chief Operating Officer at Chartis, directs internal business processes to ensure seamless delivery of healthcare advisory services. Brownell manages the firm's operational infrastructure, focusing on scaling internal resources to meet the evolving demands of hospitals and insurance providers. By optimizing cross-functional workflows, the Chief Operating Officer maintains high standards of service quality across all client engagements. This leadership role involves aligning internal capabilities with the firm's broader mission of improving healthcare delivery and patient outcomes. Shannon Brownell monitors operational efficiency metrics to support sustainable growth across North American markets. Through rigorous oversight of internal systems, the Chief Operating Officer facilitates the successful execution of complex consulting projects. Brownell ensures that the organization remains agile in responding to regulatory shifts and digital transformation requirements, ultimately strengthening the firm's market position as a premier healthcare consultancy.
    Shannon Brownell

    Thomas Marcus - Co-founder & Chief Operating Officer

    Thomas Marcus, the Co-founder & Chief Operating Officer at Chartis, architects the foundational operational strategies that define the firm's approach to healthcare consulting. Marcus focuses on the integration of digital transformation services, ensuring that the organization provides cutting-edge technology implementation for hospitals and health systems. By overseeing the development of new service lines, the Co-founder & Chief Operating Officer drives the firm's ability to address complex industry challenges. This leadership role involves mentoring senior consultants and fostering a culture of excellence in clinical performance optimization. Thomas Marcus monitors the firm's operational footprint to ensure consistent service delivery across all regional markets. Through strategic oversight of business units, the Co-founder & Chief Operating Officer maintains the firm's reputation for deep industry expertise. Marcus ensures that the organization remains at the forefront of healthcare innovation, consistently delivering measurable improvements in operational performance and patient outcomes for every client.
    Thomas Marcus

    Shane Mccaffrey - President & Database Administrator

    Shane Mccaffrey, the President & Database Administrator at Chartis, directs the firm's data management strategies and overall organizational leadership. Mccaffrey oversees the integrity and security of the firm's proprietary healthcare data, which serves as a critical asset for providing evidence-based consulting services. By architecting scalable database solutions, the President & Database Administrator ensures that consultants have access to the insights necessary for optimizing clinical performance and operational efficiency. This leadership role involves balancing high-level strategic planning with the technical requirements of maintaining robust information systems. Shane Mccaffrey drives the firm's digital transformation efforts, ensuring that technology implementation remains a core strength of the advisory portfolio. Through the management of complex data infrastructures, the President & Database Administrator supports the firm's ability to deliver precise, data-driven recommendations to hospitals and insurance providers. Mccaffrey ensures that the organization leverages its technological capabilities to maintain a competitive advantage in the healthcare sector.

    Gregory Maddrey - President

    Gregory Maddrey, the President at Chartis, leads the firm's overarching strategy and market engagement efforts across the healthcare ecosystem. Maddrey defines the vision for the organization, focusing on expanding the firm's influence in healthcare strategy and operational improvement. By fostering relationships with key stakeholders, including health systems and investors, the President ensures that the firm remains a trusted advisor for navigating industry-wide challenges. This leadership role involves setting the direction for service innovation and ensuring that the firm's consulting capabilities evolve alongside the changing needs of the healthcare sector. Gregory Maddrey drives the firm's commitment to improving patient outcomes through comprehensive advisory services. Through active engagement with the broader healthcare market, the President maintains the firm's position as a leader in clinical performance optimization. Maddrey oversees the execution of long-term growth strategies, ensuring that the organization continues to provide high-value solutions that address the most pressing financial and operational issues facing healthcare institutions today.
    Gregory Maddrey

    Erinn McKain - Partner and Vice President, Chief of Staff

    Erinn McKain, the Partner and Vice President, Chief of Staff at Chartis, coordinates executive initiatives and facilitates communication across the firm's leadership team. McKain manages the strategic alignment of various business units, ensuring that the organization's consulting services remain focused on the core mission of improving healthcare delivery. By streamlining decision-making processes, the Partner and Vice President, Chief of Staff enables the firm to respond rapidly to regulatory changes and market shifts. This leadership role involves overseeing high-priority projects that require cross-departmental collaboration and executive oversight. Erinn McKain drives the implementation of internal policies that support the firm's growth and commitment to clinical performance optimization. Through effective management of the executive office, the Partner and Vice President, Chief of Staff ensures that the firm's strategic vision translates into actionable results for healthcare clients. McKain maintains a focus on operational excellence, supporting the firm's ability to navigate complex industry challenges.

    Isaac Flerctsher - Rev

    Isaac Flerctsher, the Rev at Chartis, manages the firm's revenue cycle advisory services and financial performance optimization initiatives. Flerctsher directs the development of strategies that help hospitals and insurance providers improve their financial sustainability through enhanced billing and collection processes. By analyzing revenue streams and operational costs, the Rev identifies opportunities for significant performance improvements within client organizations. This leadership role involves collaborating with financial and clinical teams to ensure that revenue cycle management aligns with broader patient care goals. Isaac Flerctsher drives the implementation of technology-enabled solutions that streamline financial operations and reduce administrative burdens. Through the application of deep industry expertise, the Rev supports clients in navigating the complexities of healthcare reimbursement and regulatory compliance. Flerctsher ensures that the firm's revenue-focused consulting services deliver measurable financial results, contributing to the overall success and stability of the healthcare institutions served by the organization.

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    Frequently Asked Questions Regarding Chartis Top Executives and Leadership Team

    Who leads Chartis?
    Chartis is led by Suprab Ratanavessuwan (Chief Financial Officer), along with executives such as Shannon Brownell (Chief Operating Officer) and Thomas Marcus (Co-founder & Chief Operating Officer).
    Who is part of Chartis’s executive team?
    The executive team of Chartis includes leaders such as Suprab Ratanavessuwan (Chief Financial Officer), Shannon Brownell (Chief Operating Officer), Thomas Marcus (Co-founder & Chief Operating Officer) and other senior executives.
    How many executives does Chartis have?
    Chartis has 7 executives leading key business areas.
    What roles are included in Chartis’s leadership team?
    The leadership team of Chartis includes roles such as Chief Financial Officer, Chief Operating Officer, Co-founder & Chief Operating Officer, President & Database Administrator, President.