Chartis Executive and Leadership Team

October, 2026

Leadership Overview

Chartis has 4 executives leading key functions including operations, strategy, organizational performance, and executive administration.

Dedicated to transforming healthcare delivery, Chartis empowers organizations to navigate complex industry challenges through strategic, operational, and financial consulting services that ensure long-term sustainability.

Leadership Roles at Chartis

  • Chief Operating Officer - Shannon Brownell
  • Co-founder & Chief Operating Officer - Thomas Marcus
  • President - Gregory Maddrey
  • Partner and Vice President, Chief of Staff - Erinn McKain
  • Shannon Brownell - Chief Operating Officer

    Shannon Brownell, the Chief Operating Officer at Chartis, directs internal business processes and firm-wide operational efficiency. Overseeing the integration of technology consulting services, the Chief Operating Officer ensures that internal workflows support the delivery of high-impact healthcare advisory solutions. Brownell manages the infrastructure required to scale consulting engagements across the North American healthcare ecosystem. By aligning resource allocation with client demand, the Chief Operating Officer optimizes firm performance and supports financial sustainability. Shannon Brownell also coordinates with other leadership members to refine service delivery models, ensuring that the firm remains agile in a rapidly evolving healthcare sector. Through rigorous oversight of internal systems, Brownell maintains the operational excellence necessary for the firm to address complex business challenges for healthcare organizations. This leadership role focuses on streamlining administrative functions to enhance overall productivity and service quality.
    Shannon Brownell

    Thomas Marcus - Co-founder & Chief Operating Officer

    Thomas Marcus, the Co-founder & Chief Operating Officer at Chartis, architects the firm's long-term operational strategy and market expansion initiatives. Focusing on supply chain logistics and organizational performance, the Co-founder & Chief Operating Officer drives the development of specialized consulting frameworks that assist healthcare providers in achieving financial stability. Marcus oversees the execution of large-scale advisory projects, ensuring that the firm delivers consistent value across the entire healthcare ecosystem. Thomas Marcus also cultivates strategic partnerships that broaden the firm's reach within the competitive consulting landscape. By monitoring industry trends and adapting service offerings, the Co-founder & Chief Operating Officer ensures that the firm remains at the forefront of healthcare innovation. This role involves balancing immediate operational requirements with the vision established at the firm's inception. Ultimately, Marcus secures the firm's market position by fostering a culture of excellence and continuous improvement in all client-facing operations.
    Thomas Marcus

    Gregory Maddrey - President

    Gregory Maddrey, the President at Chartis, leads the firm's overarching strategic direction and market growth initiatives. Overseeing the delivery of comprehensive consulting services, the President ensures that the firm provides the necessary expertise to help healthcare organizations navigate complex business challenges. Maddrey directs the expansion of the firm's footprint, focusing on strengthening organizational performance and financial sustainability for clients across the healthcare ecosystem. Gregory Maddrey also collaborates with the Board and other senior leaders to define the firm's long-term vision and service evolution. By championing innovation in healthcare advisory, the President maintains the firm's reputation as a leader in the industry. This role involves managing high-level client relationships and ensuring that the firm's consulting services remain relevant in a changing regulatory and economic environment. Through decisive leadership, Maddrey drives the firm's commitment to improving healthcare delivery and achieving measurable outcomes for all partners.
    Gregory Maddrey

    Erinn McKain - Partner and Vice President, Chief of Staff

    Erinn McKain, the Partner and Vice President, Chief of Staff at Chartis, manages executive communications and coordinates strategic initiatives across the leadership team. Overseeing the alignment of internal priorities with the firm's mission, the Partner and Vice President, Chief of Staff facilitates decision-making processes that impact the entire healthcare consulting portfolio. McKain drives the implementation of organizational policies that support the firm's commitment to improving healthcare delivery. Erinn McKain also acts as a primary liaison between the executive office and various practice areas, ensuring that strategic goals remain consistent across all consulting engagements. By managing complex projects and cross-functional teams, the Partner and Vice President, Chief of Staff enhances the firm's ability to address the multifaceted needs of healthcare clients. This leadership role involves synthesizing data from various departments to provide actionable insights for the executive team. Through meticulous coordination, McKain ensures that the firm maintains its focus on delivering high-quality advisory services.

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    Frequently Asked Questions Regarding Chartis Top Executives and Leadership Team

    Who leads Chartis?
    Chartis is led by Shannon Brownell (Chief Operating Officer), along with executives such as Thomas Marcus (Co-founder & Chief Operating Officer) and Gregory Maddrey (President).
    Who is part of Chartis’s executive team?
    The executive team of Chartis includes leaders such as Shannon Brownell (Chief Operating Officer), Thomas Marcus (Co-founder & Chief Operating Officer), Gregory Maddrey (President) and other senior executives.
    How many executives does Chartis have?
    Chartis has 4 executives leading key business areas.
    What roles are included in Chartis’s leadership team?
    The leadership team of Chartis includes roles such as Chief Operating Officer, Co-founder & Chief Operating Officer, President, Partner and Vice President, Chief of Staff.