Intermountain Centers Executive and Leadership Team

Rose Lopez, the President & Chief Executive Officer at Intermountain Centers, directs the overarching strategic vision for this nonprofit healthcare organization. By aligning clinical service delivery with long-term organizational goals, the President & Chief Executive Officer ensures the effective provision of mental health, autism, and substance use treatment services throughout Arizona. Rose Lopez maintains direct oversight of executive operations, fostering partnerships with community stakeholders to expand supportive housing initiatives. This leadership role involves constant evaluation of service efficacy to improve quality of life for at-risk individuals and families. Through rigorous management of organizational resources, the President & Chief Executive Officer drives sustainable growth while maintaining the core mission of serving vulnerable populations. By championing evidence-based practices, the President & Chief Executive Officer secures the operational integrity of all programs, ensuring that every initiative meets the highest standards of care and community impact across the entire state.

Martha Zhan, the Chief Financial Officer at Intermountain Centers, manages the fiscal health and budgetary planning for this Arizona-based nonprofit. Overseeing complex financial reporting, the Chief Financial Officer ensures that funding for mental health, autism, and substance use treatment programs remains stable and transparent. Martha Zhan directs the allocation of capital to support the expansion of supportive housing services, balancing operational costs with the necessity of providing high-quality care to at-risk populations. This role requires constant collaboration with the executive team to optimize revenue cycles and grant management. By implementing robust financial controls, the Chief Financial Officer mitigates risk and maximizes the impact of every dollar invested in community health. Through strategic financial forecasting, the Chief Financial Officer supports the long-term viability of the organization, ensuring that resources remain available to address the evolving needs of the most vulnerable individuals and families across the state.

Sharon Martinez Northern, the Chief Human Resources Officer at Intermountain Centers, architects the talent acquisition and workforce development strategies necessary to sustain integrated healthcare services. Overseeing the recruitment of specialized clinicians for autism, mental health, and substance use treatment, the Chief Human Resources Officer ensures that the organization maintains a highly skilled workforce across Arizona. Sharon Martinez Northern directs internal culture initiatives, focusing on employee retention and professional development to support the delivery of evidence-based care. This leadership role involves managing complex labor relations and ensuring compliance with healthcare employment standards. By fostering an environment of inclusivity and excellence, the Chief Human Resources Officer drives the operational capacity of the entire organization. Through the implementation of comprehensive training programs, the Chief Human Resources Officer empowers staff to improve the quality of life for at-risk individuals, ultimately strengthening the organizational foundation required to serve the community effectively.

Lindsey Retterath, the Chief Medical Officer at Intermountain Centers, directs the clinical standards and medical governance for all integrated health services. Overseeing the implementation of evidence-based practices for autism, mental health, and substance use treatment, the Chief Medical Officer ensures that every patient receives high-quality, compassionate care. Lindsey Retterath collaborates with clinical teams to refine treatment protocols, focusing on improving outcomes for at-risk individuals and families throughout Arizona. This leadership role involves monitoring medical compliance and integrating new research into daily practice to enhance service delivery. By providing clinical guidance to the executive team, the Chief Medical Officer ensures that all programs align with the latest healthcare advancements. Through the continuous evaluation of clinical performance metrics, the Chief Medical Officer drives excellence in patient care, ensuring that the organization remains a leader in providing essential health services to the most vulnerable populations within the state.