Northern Human Services Executive and Leadership Team

July, 2026

Leadership Overview

Northern Human Services has 6 executives leading key functions including strategy, finance, information technology, human resources, and operations.

Driven by a commitment to comprehensive care, Northern Human Services provides essential mental health services and tailored support for individuals with developmental disabilities and substance abuse histories, impacting communities 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 organization's overarching strategy and operational framework. This leadership role involves guiding the provision of mental health care and individualized services for clients with developmental disabilities and histories of substance abuse. Gaetjens-Oleson ensures alignment with the company's mission to deliver comprehensive support across New Hampshire. Overseeing all major initiatives, the Chief Executive Officer fosters an environment of continuous improvement and client-centered care. Suzanne Gaetjens-Oleson's strategic vision shapes the organization's response to evolving healthcare needs and regulatory landscapes. This executive drives the expansion of services and maintains strong relationships with stakeholders, ensuring the long-term sustainability and impact of Northern Human Services throughout the state.

    Shaun Bromley - Chief Financial Officer

    Shaun Bromley, the Chief Financial Officer at Northern Human Services, manages all financial operations and fiscal planning. This executive oversees budgeting, financial reporting, and resource allocation to support the organization's mission of providing mental health care and services for individuals with developmental disabilities and substance abuse histories. Bromley ensures financial stability and compliance across all facilities operating throughout New Hampshire. The Chief Financial Officer's responsibilities include optimizing financial performance and identifying opportunities for revenue growth and cost efficiency. Shaun Bromley's expertise is critical in navigating the complex financial environment of healthcare services, enabling the organization to expand its reach and maintain high standards of care. This role involves close collaboration with other C-suite leaders to align financial strategies with operational goals.
    Shaun Bromley

    Elizabeth Charles - Chief Operating Officer (Developmental Disability)

    Elizabeth Charles, the Chief Operating Officer (Developmental Disability) at Northern Human Services, spearheads the operational execution of services for individuals with developmental disabilities. This executive manages the day-to-day activities, program development, and quality assurance for these specialized client populations. Charles ensures that all operations align with the organization's commitment to providing individualized support and mental health care across New Hampshire. The Chief Operating Officer (Developmental Disability) oversees the integration of therapeutic interventions and daily living support, driving efficiency and effectiveness in service delivery. Elizabeth Charles's focus on operational excellence is critical for enhancing client outcomes and ensuring the highest standards of care within this specific service area. This role involves direct oversight of program managers and facility operations.

    Michael Kasson - Chief Information Officer

    Michael Kasson, the Chief Information Officer at Northern Human Services, leads the development and implementation of technology strategies. This executive is responsible for managing the organization's IT infrastructure, ensuring data security, and enhancing digital capabilities to support the delivery of mental health care and specialized services. Kasson drives innovation in information systems, facilitating efficient operations for clients with developmental disabilities and substance abuse histories across New Hampshire. The Chief Information Officer's role involves overseeing all aspects of technology, from electronic health records to network management, ensuring seamless integration and accessibility. Michael Kasson's leadership ensures that technology effectively supports the organization's mission and operational objectives, improving client outcomes and administrative processes. This position requires a deep understanding of healthcare IT trends and compliance requirements.

    Tammy Phillips - Chief Human Resources Officer

    Tammy Phillips, the Chief Human Resources Officer at Northern Human Services, directs all human capital management strategies. This executive oversees talent acquisition, employee relations, compensation, benefits, and professional development programs to support the organization's dedicated workforce. Phillips ensures a robust and supportive work environment for staff providing mental health care and services to clients with developmental disabilities and substance abuse histories throughout New Hampshire. The Chief Human Resources Officer plays a vital role in fostering a positive organizational culture and ensuring compliance with labor laws. Tammy Phillips's strategic approach to HR management is essential for attracting and retaining skilled professionals, thereby enhancing the quality of care delivered. This leadership position involves close collaboration with department heads to meet staffing needs and promote employee well-being.

    Tammy Johnson - Chief Human Resources Officer

    Tammy Johnson, the Chief Human Resources Officer at Northern Human Services, leads strategic initiatives focused on workforce development and employee engagement. This executive manages critical HR functions including policy implementation, performance management, and fostering a culture of inclusivity and professional growth for all staff. Johnson ensures that human resources practices effectively support the organization's mission of providing comprehensive mental health care and services across New Hampshire. The Chief Human Resources Officer's responsibilities extend to overseeing employee relations and ensuring a safe and productive work environment. Tammy Johnson's expertise is instrumental in aligning HR strategies with the company's operational needs and long-term objectives, contributing to the retention of a highly skilled and motivated team. This role emphasizes proactive talent management and organizational development.

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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.