Intermountain Centers Executive and Leadership Team

July, 2026

Leadership Overview

Intermountain Centers has 4 executives leading key functions including strategy, finance, human resources, and medical operations.

Driven by a commitment to community well-being, Intermountain Centers provides integrated health care services across Arizona, focusing on mental health, autism/ABA, substance use treatment, and supportive housing for at-risk individuals and families.

Leadership Roles at Intermountain Centers

  • President & Chief Executive Officer - Rose Lopez
  • Chief Financial Officer - Philip Pannabecker
  • Chief Human Resources Officer - Sharon Martinez Northern
  • Chief Medical Officer - Lindsey Retterath
  • Rose Lopez - President & Chief Executive Officer

    Rose Lopez, the President & Chief Executive Officer at Intermountain Centers, directs the organization's overarching strategy and operational execution. Overseeing all business units, Rose Lopez ensures the delivery of integrated health care services, including mental health, autism/ABA, substance use treatment, and supportive housing across Arizona. This leadership role involves guiding the organization's mission to serve at-risk individuals and families, fostering the development of essential life skills and enhancing overall quality of life. By championing evidence-based practices, the President & Chief Executive Officer drives the organization's impact on the community's most vulnerable populations. Strategic initiatives under Rose Lopez's guidance focus on expanding program reach and ensuring financial sustainability through community involvement and career opportunities.

    Philip Pannabecker - Chief Financial Officer

    Philip Pannabecker, the Chief Financial Officer at Intermountain Centers, manages all financial operations and fiscal strategy. Overseeing budgeting, financial planning, and resource allocation, the Chief Financial Officer ensures the economic health of the nonprofit healthcare organization. This critical role involves maintaining financial transparency and accountability across all programs, including mental health, autism/ABA, substance use treatment, and supportive housing services. Philip Pannabecker's financial oversight supports the organization's mission to serve at-risk individuals and families throughout Arizona. By optimizing financial resources, the Chief Financial Officer enables Intermountain Centers to effectively deliver evidence-based practices and enhance the quality of life for the community's vulnerable populations. Pannabecker's expertise is vital for securing funding and managing donations to further the organization's goals.

    Sharon Martinez Northern - Chief Human Resources Officer

    Sharon Martinez Northern, the Chief Human Resources Officer at Intermountain Centers, leads all human capital management and organizational development initiatives. Overseeing recruitment, employee relations, compensation, and benefits, the Chief Human Resources Officer cultivates a supportive and high-performing work environment. This position is essential for attracting and retaining talent dedicated to providing integrated health care services across Arizona, encompassing mental health, autism/ABA, substance use treatment, and supportive housing. Sharon Martinez Northern's strategic approach to HR ensures that the organization has the skilled personnel necessary to serve at-risk individuals and families effectively. By fostering a positive organizational culture, the Chief Human Resources Officer directly contributes to the quality of care and the achievement of Intermountain Centers' mission. Martinez Northern also drives initiatives that encourage community involvement and career opportunities within the organization.

    Lindsey Retterath - Chief Medical Officer

    Lindsey Retterath, the Chief Medical Officer at Intermountain Centers, directs clinical strategy and ensures the highest standards of patient care. Overseeing all medical and clinical operations, the Chief Medical Officer champions the integration of evidence-based practices across mental health, autism/ABA, substance use treatment, and supportive housing services. This leadership position is fundamental to the organization's commitment to serving at-risk individuals and families throughout Arizona. Lindsey Retterath's medical expertise guides the development and implementation of programs designed to build life skills and improve the quality of life for the community's most vulnerable populations. By ensuring clinical excellence, the Chief Medical Officer plays a pivotal role in the effectiveness and reputation of Intermountain Centers. Retterath's focus remains on advancing patient outcomes and supporting the dedicated clinical teams.
    Lindsey Retterath

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    Frequently Asked Questions Regarding Intermountain Centers Top Executives and Leadership Team

    Who leads Intermountain Centers?
    Intermountain Centers is led by Rose Lopez (President & Chief Executive Officer), along with executives such as Philip Pannabecker (Chief Financial Officer) and Sharon Martinez Northern (Chief Human Resources Officer).
    Who is part of Intermountain Centers’s executive team?
    The executive team of Intermountain Centers includes leaders such as Rose Lopez (President & Chief Executive Officer), Philip Pannabecker (Chief Financial Officer), Sharon Martinez Northern (Chief Human Resources Officer) and other senior executives.
    How many executives does Intermountain Centers have?
    Intermountain Centers has 4 executives leading key business areas.
    What roles are included in Intermountain Centers’s leadership team?
    The leadership team of Intermountain Centers includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Human Resources Officer, Chief Medical Officer.