Palomar Health Executive and Leadership Team

May, 2026

Leadership Overview

Palomar Health has 8 executives leading key functions including strategy, operations, finance, legal, human resources, and medical group leadership.

Driven by a commitment to community well-being, Palomar Health focuses on delivering comprehensive healthcare services across its facilities, impacting patient care through dedicated leadership and operational excellence.

Leadership Roles at Palomar Health

  • Chief Executive Officer - Robert Hemker
  • Vice President, Ambulatory Services & Interim Chief Executive Officer, Palomar Health Medical Group - Russell Riehl
  • Chief Financial Officer - Andrew Tokar
  • President - Ronald Feldman
  • Chief of Staff - Charles Callery
  • Chief Human Resources Officer - Pam Sime
  • Chief Legal Officer - Kevin DeBruin
  • Chief Administrative Officer - Gerald Bracht
  • Robert Hemker - Chief Executive Officer

    Robert Hemker, the Chief Executive Officer at Palomar Health, directs the overall strategic vision and operational execution for the health system. Hemker oversees all major initiatives, ensuring alignment with the organization's mission to provide high-quality patient care across its facilities serving North County. This leadership role involves guiding departmental heads, fostering innovation in healthcare delivery, and maintaining the financial health of the system. By focusing on sustainable growth and operational efficiency, Robert Hemker drives the organization's commitment to community well-being and its position as a leading healthcare provider. The Chief Executive Officer's purview extends to stakeholder relations, ensuring robust partnerships and effective communication across the health network.
    Robert Hemker

    Russell Riehl - Vice President, Ambulatory Services & Interim Chief Executive Officer, Palomar Health Medical Group

    Russell Riehl, the Vice President, Ambulatory Services & Interim Chief Executive Officer, Palomar Health Medical Group at Palomar Health, leads the expansion and operational oversight of outpatient services and the medical group's strategic direction. Riehl focuses on enhancing patient access to care, optimizing the efficiency of clinics, and ensuring the delivery of high-quality medical services across various locations. This dual role involves managing the integration of ambulatory care with the broader health system's offerings and driving growth within the Palomar Health Medical Group. By championing patient-centered care models and operational excellence, Russell Riehl significantly contributes to the health system's comprehensive service delivery. The leadership of Riehl ensures seamless patient journeys from outpatient settings into broader healthcare networks.

    Andrew Tokar - Chief Financial Officer

    Andrew Tokar, the Chief Financial Officer at Palomar Health, directs all financial operations, including budgeting, financial planning, and revenue cycle management for the health system. Tokar is responsible for ensuring the financial stability and long-term viability of Palomar Health, overseeing investment strategies and managing fiscal risks. This leadership position involves close collaboration with department heads to optimize resource allocation and drive cost-effectiveness across all facilities. By implementing robust financial controls and reporting mechanisms, Andrew Tokar safeguards the organization's assets and supports its mission of delivering accessible, high-quality healthcare. The Chief Financial Officer's strategic insights are crucial for capital allocation and growth initiatives.
    Andrew Tokar

    Ronald Feldman - President

    Ronald Feldman, the President at Palomar Health, holds a significant leadership position focused on driving strategic initiatives and operational excellence across the health system. Feldman works closely with the Chief Executive Officer to advance the organization's mission, overseeing key programs and ensuring the effective implementation of corporate strategies. This role involves fostering collaboration among departments, enhancing patient care delivery models, and contributing to the overall growth and development of Palomar Health. By championing innovation and operational efficiency, Ronald Feldman is instrumental in maintaining the health system's commitment to community well-being and its reputation for quality healthcare services. The President's leadership ensures alignment with organizational objectives.

    Charles Callery - Chief of Staff

    Charles Callery, the Chief of Staff at Palomar Health, provides direct support to the Chief Executive Officer, managing critical projects and ensuring seamless execution of strategic directives. Callery facilitates communication between executive leadership and various departments, streamlining operations and enhancing organizational efficiency. This role involves coordinating cross-functional teams, preparing executive briefings, and overseeing special initiatives that advance the health system's objectives. By managing key administrative functions and driving process improvements, Charles Callery ensures that Palomar Health operates with maximum effectiveness and responsiveness to patient needs. The Chief of Staff's responsibilities include optimizing workflows and supporting the CEO in all aspects of leadership.

    Pam Sime - Chief Human Resources Officer

    Pam Sime, the Chief Human Resources Officer at Palomar Health, oversees all human capital management strategies, including talent acquisition, employee relations, compensation, and benefits for the health system. Sime is dedicated to fostering a positive and productive work environment that supports Palomar Health's mission and values. This critical role involves developing programs to attract, retain, and develop a skilled workforce essential for delivering exceptional patient care. By championing employee engagement and ensuring compliance with labor laws, Pam Sime plays a vital part in the organization's operational success and its ability to meet the evolving needs of the community. The Chief Human Resources Officer's focus on workforce development is key to sustained organizational excellence.
    Kevin DeBruin, the Chief Legal Officer at Palomar Health, provides comprehensive legal counsel and oversees all legal affairs for the health system. DeBruin ensures compliance with healthcare regulations, manages risk mitigation strategies, and advises on corporate governance matters. This role is essential for navigating the complex legal landscape of the healthcare industry and protecting the organization's interests. By providing strategic legal guidance on contracts, litigation, and policy development, Kevin DeBruin supports Palomar Health's commitment to ethical operations and patient safety. The Chief Legal Officer's expertise is fundamental to maintaining the integrity and operational continuity of the health system.

    Gerald Bracht - Chief Administrative Officer

    Gerald Bracht, the Chief Administrative Officer at Palomar Health, directs key administrative functions that support the health system's operational efficiency and strategic goals. Bracht oversees areas such as facilities management, information technology infrastructure, and supply chain operations, ensuring seamless support for patient care delivery across all facilities. This leadership role involves optimizing internal processes, managing vendor relationships, and implementing solutions that enhance productivity and reduce costs. By ensuring the effective functioning of essential support services, Gerald Bracht plays a crucial part in Palomar Health's ability to provide high-quality healthcare services. The Chief Administrative Officer's focus on operational infrastructure underpins the organization's overall effectiveness.

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    Frequently Asked Questions Regarding Palomar Health Top Executives and Leadership Team

    Who leads Palomar Health?
    Palomar Health is led by Robert Hemker (Chief Executive Officer), along with executives such as Russell Riehl (Vice President, Ambulatory Services & Interim Chief Executive Officer, Palomar Health Medical Group) and Andrew Tokar (Chief Financial Officer).
    Who is part of Palomar Health’s executive team?
    The executive team of Palomar Health includes leaders such as Robert Hemker (Chief Executive Officer), Russell Riehl (Vice President, Ambulatory Services & Interim Chief Executive Officer, Palomar Health Medical Group), Andrew Tokar (Chief Financial Officer) and other senior executives.
    How many executives does Palomar Health have?
    Palomar Health has 8 executives leading key business areas.
    What roles are included in Palomar Health’s leadership team?
    The leadership team of Palomar Health includes roles such as Chief Executive Officer, Vice President, Ambulatory Services & Interim Chief Executive Officer, Palomar Health Medical Group, Chief Financial Officer, President, Chief of Staff.