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, operations, and human resources.

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 lives 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 vision. This leadership role involves guiding the expansion of mental health care and individualized services for clients with developmental disabilities and histories of substance abuse throughout New Hampshire. Gaetjens-Oleson ensures alignment with the company's mission to provide comprehensive support. Overseeing all major initiatives, the Chief Executive Officer drives the organization's growth and market presence. Suzanne Gaetjens-Oleson's strategic direction solidifies Northern Human Services' position as a leading provider of critical care in the state. This executive ensures all departments function cohesively to meet client needs and organizational objectives.

    Shaun Bromley - Chief Financial Officer

    Shaun Bromley, the Chief Financial Officer at Northern Human Services, manages all financial operations and fiscal strategy. This critical role involves overseeing budgeting, financial planning, 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. By optimizing financial performance, the Chief Financial Officer directly contributes to the sustainability and expansion of services. Shaun Bromley's expertise in financial management is essential for maintaining the integrity of the organization's operations and its capacity to serve its client base effectively.
    Shaun Bromley

    Elizabeth Charles - Chief Operating Officer (Developmental Disability)

    Elizabeth Charles, the Chief Operating Officer (Developmental Disability) at Northern Human Services, directs the operational execution of services specifically for clients with developmental disabilities. This role involves managing program delivery, ensuring quality of care, and optimizing operational workflows across all New Hampshire facilities. Charles focuses on enhancing the effectiveness and reach of specialized support programs. By streamlining operations, the Chief Operating Officer (Developmental Disability) ensures that clients receive consistent, high-quality, and individualized care. Elizabeth Charles's leadership is vital for the successful implementation of services tailored to the unique needs of this client population.

    Michael Kasson - Chief Information Officer

    Michael Kasson, the Chief Information Officer at Northern Human Services, architects the organization's technology infrastructure and digital strategy. This leadership position involves overseeing the implementation and management of information systems that support mental health care delivery and individualized client services across New Hampshire. Kasson ensures data security, system efficiency, and technological innovation to enhance client support and operational effectiveness. By driving technological advancements, the Chief Information Officer enables seamless data flow and improved service accessibility. Michael Kasson's focus on robust IT solutions is fundamental to Northern Human Services' ability to adapt and thrive in a rapidly evolving healthcare landscape.

    Tammy Phillips - Chief Human Resources Officer

    Tammy Phillips, the Chief Human Resources Officer at Northern Human Services, leads all human capital management initiatives. This executive function involves developing and implementing strategies for talent acquisition, employee development, and fostering a positive organizational culture across New Hampshire. Phillips ensures that the workforce is equipped to deliver exceptional mental health care and specialized services. By cultivating a skilled and engaged team, the Chief Human Resources Officer directly supports the organization's mission and operational goals. Tammy Phillips's dedication to employee well-being and professional growth is integral to Northern Human Services' success in serving its clients.

    Tammy Johnson - Chief Human Resources Officer

    Tammy Johnson, the Chief Human Resources Officer at Northern Human Services, spearheads strategic workforce planning and organizational development. This leadership position focuses on enhancing employee engagement, managing compensation and benefits, and ensuring compliance with labor laws throughout New Hampshire. Johnson drives initiatives that support the specialized needs of mental health care providers and support staff. By optimizing HR processes, the Chief Human Resources Officer ensures a robust and supportive environment for all employees. Tammy Johnson's expertise in human resources management is crucial for maintaining a high-performing team dedicated to client care.

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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.