Northern Human Services Executive and Leadership Team

May, 2026

Leadership Overview

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

Driven by a commitment to community well-being, Northern Human Services delivers essential mental health care and tailored support for individuals facing developmental disabilities and substance abuse challenges, impacting lives across New Hampshire.

Leadership Roles at Northern Human Services

  • Chief Executive Officer - Suzanne Gaetjens-Oleson
  • Chief Financial Officer - Shaun Bromley
  • 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 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 support vulnerable populations throughout New Hampshire. Overseeing all major initiatives, the Chief Executive Officer fosters a culture of compassionate care and continuous improvement across all facilities. Suzanne Gaetjens-Oleson's strategic vision drives the expansion of services and strengthens the organization's impact within the Conway, New Hampshire community and beyond. This executive position requires close collaboration with department heads to maintain high standards of client support and operational efficiency.

    Shaun Bromley - Chief Financial Officer

    Shaun Bromley, the Chief Financial Officer at Northern Human Services, manages all financial operations and fiscal planning. This critical role involves overseeing 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 the financial stability and sustainability of Northern Human Services across its New Hampshire operations. Directing the finance department, the Chief Financial Officer implements robust financial controls and strategies to optimize expenditures and maximize funding opportunities. Shaun Bromley's expertise is vital for maintaining compliance with regulatory requirements and driving efficient use of capital to expand client services. This position requires meticulous attention to detail and a deep understanding of non-profit financial management.
    Shaun Bromley

    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 function is crucial for enhancing the delivery of mental health care and individualized services to clients with developmental disabilities and substance abuse histories. Kasson ensures that information systems support the organization's operational goals and client care objectives throughout New Hampshire. Overseeing the IT department, the Chief Information Officer manages infrastructure, data security, and digital transformation initiatives. Michael Kasson's focus is on leveraging technology to improve efficiency, streamline workflows, and enhance the client experience. This role involves safeguarding sensitive client data and ensuring the reliability of all technological platforms supporting Northern Human Services' operations.

    Tammy Johnson - Chief Human Resources Officer

    Tammy Johnson, the Chief Human Resources Officer at Northern Human Services, directs all human capital management strategies. This leadership position is fundamental to supporting the organization's provision of mental health care and services for individuals with developmental disabilities and substance abuse histories. Johnson oversees talent acquisition, employee relations, compensation, and benefits across Northern Human Services' New Hampshire locations. Managing the HR department, the Chief Human Resources Officer cultivates a positive and productive work environment, ensuring compliance with labor laws and fostering professional development. Tammy Johnson's strategic approach to HR is essential for attracting and retaining skilled professionals dedicated to client well-being. This role ensures the workforce is equipped to meet the evolving needs of the communities served.

    Tammy Phillips - Chief Human Resources Officer

    Tammy Phillips, the Chief Human Resources Officer at Northern Human Services, spearheads initiatives focused on organizational development and employee engagement. This executive role is integral to sustaining the quality of mental health care and individualized services provided to clients with developmental disabilities and substance abuse histories. Phillips guides strategies for workforce planning, performance management, and HR policy implementation throughout the state of New Hampshire. Leading the HR function, the Chief Human Resources Officer champions initiatives that enhance employee satisfaction and retention, directly impacting service delivery. Tammy Phillips's expertise ensures that Northern Human Services maintains a robust and motivated team committed to its core mission. This position requires a strategic focus on building a supportive and high-performing organizational culture.

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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 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), Shaun Bromley (Chief Financial Officer), 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 Financial Officer, Chief Information Officer, Chief Human Resources Officer, Chief Human Resources Officer.