Northern Human Services Executive and Leadership Team

September, 2026

Leadership Overview

Northern Human Services has 6 executives leading key functions including strategy, financial oversight, information technology, human resources, and developmental disability operations.

Committed to comprehensive mental health care, Northern Human Services delivers individualized support for clients with developmental disabilities and substance abuse histories across New Hampshire.

Leadership Roles at Northern Human Services

  • Chief Executive Officer - Suzanne Gaetjens-Oleson
  • Chief Financial Officer - Shaun Bromley
  • Chief Operating Officer (Developmental Disability) - Elizabeth Charles
  • Chief Information Officer - Michael Kasson
  • Chief Human Resources Officer - Tammy Phillips
  • Chief Human Resources Officer - Tammy Johnson
  • Suzanne Gaetjens-Oleson - Chief Executive Officer

    Suzanne Gaetjens-Oleson, the Chief Executive Officer at Northern Human Services, directs the overarching strategic vision for mental health and developmental disability care across New Hampshire. Gaetjens-Oleson architects long-term organizational goals while ensuring alignment with the mission of providing high-quality, individualized support services. By coordinating with the Board and senior leadership, the Chief Executive Officer maintains operational excellence throughout all regional facilities. This leadership role involves navigating complex healthcare regulations and expanding access to substance abuse treatment programs. Suzanne Gaetjens-Oleson drives the expansion of clinical resources to meet the evolving needs of the community. Through rigorous oversight of service delivery models, the Chief Executive Officer secures the financial and operational sustainability of the organization. Gaetjens-Oleson fosters a culture of compassionate care, ensuring that every facility adheres to the highest standards of patient safety and therapeutic efficacy within the state.

    Shaun Bromley - Chief Financial Officer

    Shaun Bromley, the Chief Financial Officer at Northern Human Services, manages the fiscal health and budgetary planning for all mental health and developmental disability programs. Bromley architects robust financial strategies to support the expansion of facilities throughout New Hampshire. By overseeing revenue cycle management and resource allocation, the Chief Financial Officer ensures the organization maintains the necessary capital to deliver high-quality care. Shaun Bromley monitors economic trends and regulatory changes to mitigate financial risk while maximizing operational efficiency. This leadership role requires constant collaboration with department heads to align departmental spending with the broader mission of the organization. Bromley drives fiscal transparency and accountability, providing the Board with precise data to inform strategic decision-making. Through meticulous management of assets and funding streams, the Chief Financial Officer secures the long-term viability of the organization, enabling the continued provision of essential services to vulnerable populations across the state.

    Elizabeth Charles - Chief Operating Officer (Developmental Disability)

    Elizabeth Charles, the Chief Operating Officer (Developmental Disability) at Northern Human Services, directs the daily operations and service delivery models for clients with developmental disabilities across New Hampshire. Charles architects specialized care programs that prioritize individual autonomy and community integration. By overseeing the management of residential facilities and day programs, the Chief Operating Officer (Developmental Disability) ensures that all services meet rigorous state and federal quality standards. Elizabeth Charles drives operational improvements to enhance the effectiveness of therapeutic interventions and support services. This leadership role involves coordinating with clinical teams to tailor care plans to the unique needs of each client. Charles monitors facility performance metrics to identify opportunities for service expansion and efficiency gains. Through the direct supervision of program managers, the Chief Operating Officer (Developmental Disability) maintains a focus on client-centered outcomes, ensuring that the organization remains a leader in providing compassionate, high-quality support for individuals with developmental disabilities.

    Michael Kasson - Chief Information Officer

    Michael Kasson, the Chief Information Officer at Northern Human Services, directs the digital infrastructure and data security protocols essential for mental health and developmental disability care. Kasson architects scalable technology solutions that streamline patient record management and clinical documentation across all New Hampshire facilities. By implementing advanced health information systems, the Chief Information Officer ensures secure, efficient access to critical client data for healthcare providers. Michael Kasson oversees the integration of telehealth platforms to expand service reach, particularly for clients in remote areas. This leadership role involves protecting sensitive health information through rigorous cybersecurity measures and compliance with federal privacy standards. Kasson drives innovation in data analytics to improve patient outcomes and operational workflows. Through the modernization of internal communication networks, the Chief Information Officer supports the seamless coordination of care teams, ultimately enhancing the quality of support provided to individuals with developmental disabilities and substance abuse histories.

    Tammy Phillips - Chief Human Resources Officer

    Tammy Phillips, the Chief Human Resources Officer at Northern Human Services, manages talent acquisition and workforce development for the clinical and support staff serving New Hampshire. Phillips architects comprehensive recruitment strategies to attract skilled professionals dedicated to mental health and developmental disability care. By overseeing employee relations, performance management, and professional training programs, the Chief Human Resources Officer ensures a high standard of care delivery across all facilities. Tammy Phillips drives initiatives to improve staff retention and workplace culture, recognizing the demanding nature of the healthcare sector. This leadership role involves navigating complex labor regulations and fostering an environment of inclusivity and professional growth. Phillips coordinates with department heads to align staffing levels with patient needs, ensuring optimal coverage for substance abuse treatment and disability services. Through the implementation of robust benefits and wellness programs, the Chief Human Resources Officer supports the well-being of the entire workforce, directly impacting the quality of client interactions.

    Tammy Johnson - Chief Human Resources Officer

    Tammy Johnson, the Chief Human Resources Officer at Northern Human Services, directs organizational development and compliance training for the staff operating throughout New Hampshire. Johnson architects internal policies that promote safety, ethical conduct, and professional excellence within the mental health and developmental disability care environments. By overseeing payroll administration, benefits management, and labor law compliance, the Chief Human Resources Officer ensures the operational stability of the workforce. Tammy Johnson drives the implementation of performance evaluation systems that reward clinical excellence and compassionate service. This leadership role involves managing complex personnel issues and facilitating conflict resolution to maintain a productive work environment. Johnson collaborates with executive leadership to forecast staffing requirements for new facility openings and program expansions. Through the development of strategic onboarding processes, the Chief Human Resources Officer prepares new hires to meet the specific needs of clients with substance abuse histories, ensuring that the organization maintains a highly capable and dedicated team.

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    Frequently Asked Questions Regarding Northern Human Services Top Executives and Leadership Team

    Who leads Northern Human Services?
    Northern Human Services is led by Suzanne Gaetjens-Oleson (Chief Executive Officer), along with executives such as Shaun Bromley (Chief Financial Officer) and Elizabeth Charles (Chief Operating Officer (Developmental Disability)).
    Who is part of Northern Human Services’s executive team?
    The executive team of Northern Human Services includes leaders such as Suzanne Gaetjens-Oleson (Chief Executive Officer), Shaun Bromley (Chief Financial Officer), Elizabeth Charles (Chief Operating Officer (Developmental Disability)) and other senior executives.
    How many executives does Northern Human Services have?
    Northern Human Services has 6 executives leading key business areas.
    What roles are included in Northern Human Services’s leadership team?
    The leadership team of Northern Human Services includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer (Developmental Disability), Chief Information Officer, Chief Human Resources Officer.