Northern Human Services Executive and Leadership Team

August, 2026

Leadership Overview

Northern Human Services has 6 executives leading key functions including strategy, financial oversight, 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.

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 care and developmental disability support across New Hampshire. Gaetjens-Oleson manages the executive leadership team to ensure alignment with the mission of providing high-quality, individualized care for clients facing substance abuse challenges. By coordinating with the Board of Directors, the Chief Executive Officer secures the long-term sustainability of the organization while expanding service reach throughout the state. This leadership role involves navigating complex regulatory environments and fostering partnerships with community stakeholders to enhance clinical outcomes. Suzanne Gaetjens-Oleson maintains a focus on operational excellence, ensuring that every facility adheres to the rigorous standards required for effective behavioral health treatment. Through consistent advocacy and resource allocation, the Chief Executive Officer drives the growth of programs designed to improve the lives of vulnerable populations within the regional healthcare landscape.

    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 facilities. Bromley oversees the allocation of financial resources to ensure that clinical programs receive necessary funding for patient care. By analyzing revenue streams and operational costs, the Chief Financial Officer maintains the economic stability required to support statewide operations. Shaun Bromley collaborates with the executive team to optimize resource distribution, ensuring that every dollar directly benefits clients with developmental disabilities or substance abuse histories. This role involves rigorous financial reporting and compliance monitoring to uphold the integrity of the organization. Through strategic investment in infrastructure and personnel, the Chief Financial Officer secures the financial foundation of the company. Bromley drives efficiency across all departments, enabling the organization to expand service capacity while maintaining fiscal responsibility in the competitive New Hampshire healthcare market.

    Elizabeth Charles - Chief Operating Officer (Developmental Disability)

    Elizabeth Charles, the Chief Operating Officer (Developmental Disability) at Northern Human Services, directs the daily operations of specialized programs for clients with developmental disabilities. Charles oversees the implementation of individualized care plans and ensures that all facilities meet the specific needs of this population. By coordinating with clinical staff and support teams, the Chief Operating Officer (Developmental Disability) maintains high standards of service delivery across the New Hampshire network. Elizabeth Charles monitors program performance to ensure that every client receives consistent, compassionate care tailored to unique developmental requirements. This role involves managing facility logistics and staff training to optimize the quality of life for those served. Through the refinement of operational workflows, the Chief Operating Officer (Developmental Disability) enhances the effectiveness of support services. Charles drives the expansion of specialized programs, ensuring that the organization remains a leader in providing essential care for individuals with developmental disabilities.

    Michael Kasson - Chief Information Officer

    Michael Kasson, the Chief Information Officer at Northern Human Services, architects the digital infrastructure necessary for managing sensitive patient data and clinical records across all facilities. Kasson oversees the implementation of secure health information systems that support the delivery of mental health care and developmental disability services. By integrating advanced technology into daily operations, the Chief Information Officer improves the efficiency of care coordination for clients with substance abuse histories. Michael Kasson manages cybersecurity protocols to protect patient privacy while ensuring that clinical staff maintain seamless access to critical information. This leadership role involves evaluating new software solutions to enhance diagnostic accuracy and treatment tracking. Through the modernization of internal networks, the Chief Information Officer supports the organization in scaling its digital capabilities. Kasson drives technological innovation, ensuring that the company remains at the forefront of data-driven healthcare delivery throughout the state of New Hampshire.

    Tammy Phillips - Chief Human Resources Officer

    Tammy Phillips, the Chief Human Resources Officer at Northern Human Services, manages the recruitment, retention, and professional development of the clinical and administrative workforce. Phillips oversees the talent acquisition strategy to ensure that all facilities are staffed with qualified professionals dedicated to mental health and developmental disability care. By fostering a culture of excellence and inclusivity, the Chief Human Resources Officer supports the well-being of the entire staff. Tammy Phillips implements training programs that equip employees with the skills necessary to handle complex cases involving substance abuse and developmental challenges. This role involves managing labor relations and performance management systems to maintain high operational standards. Through the development of competitive compensation and benefits packages, the Chief Human Resources Officer secures top-tier talent for the organization. Phillips drives organizational health by aligning human capital strategies with the broader mission of providing compassionate care throughout the New Hampshire region.

    Tammy Johnson - Chief Human Resources Officer

    Tammy Johnson, the Chief Human Resources Officer at Northern Human Services, directs the administrative policies and compliance frameworks that govern the workforce across all clinical sites. Johnson oversees the implementation of safety protocols and workplace standards to ensure a secure environment for both staff and clients. By managing employee engagement initiatives, the Chief Human Resources Officer strengthens the internal culture and promotes long-term staff commitment to the mission of mental health care. Tammy Johnson coordinates with department heads to address staffing needs and optimize team structures for maximum efficiency. This role involves overseeing the administration of benefits and ensuring adherence to labor laws within the healthcare sector. Through the continuous improvement of personnel management systems, the Chief Human Resources Officer supports the operational goals of the organization. Johnson drives professional growth opportunities, ensuring that the workforce remains capable of delivering high-quality services to clients with developmental disabilities and substance abuse histories.

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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.