Berkshire County Arc Executive and Leadership Team

August, 2026

Leadership Overview

Berkshire County Arc has 4 executives leading key functions including strategy, financial oversight, operational management, and human resources.

Dedicated to empowering individuals with developmental disabilities, Berkshire County Arc delivers essential community-based services across Massachusetts. This organization fosters independence through comprehensive residential, employment, and advocacy programs.

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 strategic vision for this human services organization. Hyatt architects long-term growth initiatives while ensuring the delivery of high-quality support for individuals with developmental disabilities or brain injuries. By collaborating with the Board, the Chief Executive Officer maintains fiscal health and mission alignment across all regional programs. Maryann Hyatt monitors the efficacy of the thirty group homes and various day programs to guarantee that every service meets rigorous standards of care. This leadership role involves engaging with community stakeholders to expand the reach of advocacy programs throughout Berkshire and Hampden counties. Through consistent focus on organizational excellence, the Chief Executive Officer drives the mission of fostering independence and dignity for approximately 350 individuals annually. Hyatt secures the future of these vital community services by championing inclusive policies and sustainable operational practices.
    Maryann Hyatt

    Blanca Durant - Chief Financial Officer

    Blanca Durant, the Chief Financial Officer at Berkshire County Arc, manages the complex fiscal landscape of this non-profit entity. Durant oversees budget allocation for residential supports, employment services, and respite programs to ensure maximum impact for the individuals served. The Chief Financial Officer implements robust financial controls and reporting mechanisms that maintain the tax-exempt status and regulatory compliance of the organization. By analyzing revenue streams and operational costs, Durant optimizes resource distribution across the various Massachusetts locations. This leadership role requires close coordination with department heads to align financial planning with the strategic goals set by the executive team. Blanca Durant monitors economic trends to safeguard the long-term viability of the community-based services. Through meticulous financial stewardship, the Chief Financial Officer provides the necessary capital stability to support the ongoing expansion of programs designed to help individuals achieve greater personal independence.

    Sonja Haecker - Chief Operating Officer

    Sonja Haecker, the Chief Operating Officer at Berkshire County Arc, executes the daily operational functions of the organization's diverse service portfolio. Haecker supervises the management of thirty group homes and three day programs, ensuring that all facilities operate at peak efficiency. The Chief Operating Officer drives the implementation of standardized care protocols that prioritize the respect and dignity of every individual. By overseeing the logistics of employment services and respite care, Haecker maintains seamless service delivery across Berkshire and Hampden counties. This leadership role involves constant interaction with program managers to resolve operational bottlenecks and improve service quality. Sonja Haecker evaluates performance metrics to refine the delivery of community-based support systems. Through proactive management of daily activities, the Chief Operating Officer ensures that the organization remains responsive to the evolving needs of the population, ultimately facilitating greater autonomy for the individuals within the care network.
    Sonja Haecker

    Kristi Nastars - Chief Human Resources Officer

    Kristi Nastars, the Chief Human Resources Officer at Berkshire County Arc, directs the talent acquisition and workforce development strategies for the organization. Nastars architects comprehensive training programs that ensure staff members possess the skills required to provide compassionate care to individuals with developmental disabilities. The Chief Human Resources Officer manages employee relations, benefits administration, and performance management systems to maintain a highly motivated and professional workforce. By fostering a culture of respect and dignity, Nastars supports the retention of dedicated personnel across all residential and employment service sites. This leadership role involves aligning human capital strategies with the broader mission of the organization to ensure consistent service quality. Kristi Nastars monitors labor market trends to attract top talent capable of meeting the complex needs of the individuals served. Through effective personnel management, the Chief Human Resources Officer strengthens the foundation of the organization, enabling the delivery of superior human 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.