Berkshire County Arc Executive and Leadership Team

July, 2026

Leadership Overview

Berkshire County Arc has 4 executives leading key functions including strategy, operations, finance, and human resources.

Driven by a commitment to independence and choice, Berkshire County Arc empowers individuals with developmental disabilities or brain injuries through comprehensive community-based services, fostering dignity and respect across Berkshire and Hampden counties.

Leadership Roles at Berkshire County Arc

  • Chief Executive Officer - Maryann Hyatt
  • Chief Financial Officer - Blanca Durant
  • Chief Operating Officer - Sonja Haecker
  • Chief Human Resources Officer - Kristi Nastars
  • Maryann Hyatt - Chief Executive Officer

    Maryann Hyatt, the Chief Executive Officer at Berkshire County Arc, directs the overarching strategy and vision for the non-profit human services organization. Hyatt guides the delivery of a broad spectrum of community-based programs, including day programs, residential supports across 30 group homes, employment services, and advocacy initiatives. This leadership role ensures that Berkshire County Arc continues its mission of helping approximately 350 individuals annually achieve greater independence and make informed life choices. Hyatt's strategic direction focuses on maintaining the organization's commitment to providing services with respect and dignity throughout Berkshire and Hampden counties. The Chief Executive Officer's responsibilities include fostering strong relationships with stakeholders and ensuring the organization's financial health and operational efficiency to maximize community impact. Maryann Hyatt's executive oversight is critical to the continued success and expansion of services.
    Maryann Hyatt

    Blanca Durant - Chief Financial Officer

    Blanca Durant, the Chief Financial Officer at Berkshire County Arc, manages the organization's financial health and fiscal strategy. Durant oversees all financial operations, including budgeting, accounting, and financial reporting, ensuring the sustainability of community-based services for individuals with developmental disabilities or brain injuries. This critical role supports the delivery of programs across Berkshire and Hampden counties, including residential supports, day programs, and employment services. The Chief Financial Officer's responsibilities ensure that Berkshire County Arc can continue to serve approximately 350 individuals annually with the resources necessary to foster independence and life choices. Durant's financial acumen is vital for maintaining the organization's non-profit status and maximizing the impact of donor contributions and grants. Blanca Durant's leadership ensures fiscal responsibility and supports the long-term mission of providing dignified care.

    Sonja Haecker - Chief Operating Officer

    Sonja Haecker, the Chief Operating Officer at Berkshire County Arc, executes the daily operational strategies that support individuals with developmental disabilities or brain injuries. Haecker oversees the management and delivery of diverse community-based services, including the 30 group homes, day programs, and employment support initiatives across Berkshire and Hampden counties. This operational leadership ensures that the organization's highly trained staff consistently provide services grounded in respect and dignity. Haecker's focus involves optimizing the efficiency and effectiveness of all programs, ensuring approximately 350 individuals annually receive the support needed to enhance their independence and life choices. The Chief Operating Officer's role involves direct oversight of program implementation, staff training coordination, and ensuring compliance with all regulatory standards. Sonja Haecker's operational expertise is fundamental to the seamless functioning of Berkshire County Arc's extensive service network.
    Sonja Haecker

    Kristi Nastars - Chief Human Resources Officer

    Kristi Nastars, the Chief Human Resources Officer at Berkshire County Arc, leads all human capital initiatives, ensuring a dedicated and skilled workforce. Nastars oversees recruitment, employee relations, compensation, benefits, and professional development for the staff providing essential community-based services to individuals with developmental disabilities or brain injuries. This role is fundamental to maintaining the high standard of care and dignity that Berkshire County Arc is committed to across Berkshire and Hampden counties. The Chief Human Resources Officer's strategic focus supports the organization's mission to help approximately 350 individuals annually achieve greater independence. Nastars ensures that HR policies align with the organization's values and operational needs, fostering a positive and productive work environment. Kristi Nastars' expertise in human resources is crucial for attracting and retaining the talent necessary to deliver comprehensive support services.
    Kristi Nastars

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    Frequently Asked Questions Regarding Berkshire County Arc Top Executives and Leadership Team

    Who leads Berkshire County Arc?
    Berkshire County Arc is led by Maryann Hyatt (Chief Executive Officer), along with executives such as Blanca Durant (Chief Financial Officer) and Sonja Haecker (Chief Operating Officer).
    Who is part of Berkshire County Arc’s executive team?
    The executive team of Berkshire County Arc includes leaders such as Maryann Hyatt (Chief Executive Officer), Blanca Durant (Chief Financial Officer), Sonja Haecker (Chief Operating Officer) and other senior executives.
    How many executives does Berkshire County Arc have?
    Berkshire County Arc has 4 executives leading key business areas.
    What roles are included in Berkshire County Arc’s leadership team?
    The leadership team of Berkshire County Arc includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief Human Resources Officer.