Northern Human Services Executive and Leadership Team

October, 2026

Leadership Overview

Northern Human Services has 5 executives leading key functions including strategy, information technology, developmental disability operations, and human resources.

Committed to comprehensive mental health care, Northern Human Services delivers individualized support for clients with developmental disabilities and substance abuse histories across New Hampshire. This organization prioritizes community-based wellness through specialized clinical programs.

Leadership Roles at Northern Human Services

  • Chief Executive Officer - Suzanne Gaetjens-Oleson
  • Chief Operating Officer (Developmental Disability) - Elizabeth Charles
  • Chief Information Officer - Michael Kasson
  • Chief Human Resources Officer - Tammy Johnson
  • Chief Human Resources Officer - Tammy Phillips
  • 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. Overseeing the entire organizational framework, the Chief Executive Officer ensures alignment between clinical service delivery and long-term community health goals. This leadership role involves managing complex stakeholder relationships and securing the resources necessary for expanding substance abuse treatment programs. By fostering a culture of excellence, Suzanne Gaetjens-Oleson drives the mission to provide high-quality, individualized support for vulnerable populations. The Chief Executive Officer maintains rigorous standards for operational efficiency while navigating the evolving landscape of state-funded healthcare. Through consistent focus on patient outcomes, the executive secures the stability of the organization, ensuring that every facility meets the diverse needs of the communities served throughout the state.

    Elizabeth Charles - Chief Operating Officer (Developmental Disability)

    Elizabeth Charles, the Chief Operating Officer (Developmental Disability) at Northern Human Services, manages the daily clinical operations and specialized support programs for clients with developmental disabilities. Overseeing the implementation of individualized care plans, the Chief Operating Officer (Developmental Disability) ensures that every facility maintains compliance with state health standards. This leadership role involves coordinating with regional program directors to optimize resource allocation and improve the quality of life for residents. By refining service delivery models, Elizabeth Charles drives the expansion of community-based support initiatives throughout New Hampshire. The Chief Operating Officer (Developmental Disability) monitors performance metrics to ensure that clinical outcomes meet the organization's high benchmarks for excellence. Through direct oversight of program staff, the executive fosters an environment of compassionate care and operational reliability, ultimately strengthening the impact of the organization's mission for individuals requiring long-term developmental support.

    Michael Kasson - Chief Information Officer

    Michael Kasson, the Chief Information Officer at Northern Human Services, architects the digital infrastructure required to support secure mental health data management and clinical reporting. Managing the technological backbone of the organization, the Chief Information Officer implements robust cybersecurity protocols to protect sensitive patient information across all New Hampshire facilities. This role involves integrating advanced electronic health record systems to streamline care coordination for clients with developmental disabilities. By optimizing internal communication networks, Michael Kasson enhances the efficiency of clinical staff and administrative teams. The Chief Information Officer evaluates emerging health-tech solutions to improve service delivery and operational transparency. Through the deployment of scalable software platforms, the executive ensures that data-driven insights inform the strategic decisions of the leadership team. This focus on technological modernization directly supports the organization's ability to provide consistent, high-quality care in a complex regulatory environment.

    Tammy Johnson - Chief Human Resources Officer

    Tammy Johnson, the Chief Human Resources Officer at Northern Human Services, designs talent acquisition strategies and workforce development programs to support the organization's clinical staff. Managing the recruitment of specialized mental health professionals, the Chief Human Resources Officer ensures that all facilities maintain adequate staffing levels to provide consistent care. This role involves architecting comprehensive training modules that focus on substance abuse treatment protocols and developmental disability support. By fostering a positive workplace culture, Tammy Johnson drives employee retention and professional growth across the New Hampshire network. The Chief Human Resources Officer oversees compensation structures and benefits administration to attract top-tier talent in a competitive healthcare market. Through the implementation of performance management systems, the executive ensures that staff capabilities align with the evolving needs of the client base. This focus on human capital directly impacts the quality of service delivery and the overall success of the organization.

    Tammy Phillips - Chief Human Resources Officer

    Tammy Phillips, the Chief Human Resources Officer at Northern Human Services, directs organizational compliance and labor relations to ensure a stable and ethical work environment. Overseeing the implementation of internal policies, the Chief Human Resources Officer manages the legal and regulatory aspects of workforce management across all regional facilities. This role involves developing safety protocols and wellness initiatives that protect the staff providing mental health and substance abuse services. By streamlining administrative processes, Tammy Phillips drives operational efficiency within the human resources department. The Chief Human Resources Officer collaborates with the executive team to align staffing strategies with the long-term growth objectives of the organization. Through the management of employee relations and conflict resolution, the executive maintains a cohesive team dedicated to the mission of supporting clients with developmental disabilities. This focus on structural integrity and policy adherence ensures that the organization remains a reliable provider of essential community services.

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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 Elizabeth Charles (Chief Operating Officer (Developmental Disability)) and Michael Kasson (Chief Information Officer).
    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), Elizabeth Charles (Chief Operating Officer (Developmental Disability)), Michael Kasson (Chief Information Officer) and other senior executives.
    How many executives does Northern Human Services have?
    Northern Human Services has 5 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 Operating Officer (Developmental Disability), Chief Information Officer, Chief Human Resources Officer, Chief Human Resources Officer.