Abbott House Executive and Leadership Team

October, 2026

Leadership Overview

Abbott House has 5 executives leading key functions including organizational strategy, financial oversight, information technology, and human resources.

Committed to fostering resilience and stability, Abbott House delivers essential support services to children, families, and adults with complex needs throughout the Lower Hudson Valley and NYC area.

Leadership Roles at Abbott House

  • President & Chief Executive Officer - Justine Christakos
  • President & Chief Executive Officer, Amp - James Kaufman
  • Chief Financial Officer - Gerard Finn
  • President, Human Resources & Executive - Timothy Tostanovski
  • Chief Information Officer - Sue Sheikh
  • Justine Christakos - President & Chief Executive Officer

    Justine Christakos, the President & Chief Executive Officer at Abbott House, directs the overarching mission to provide foster care and support for individuals with complex needs. Christakos manages the strategic vision for the organization, ensuring that all programs align with the goal of building lasting foundations for vulnerable populations. By coordinating with the Board and senior leadership, the President & Chief Executive Officer maintains operational excellence across the Lower Hudson Valley and NYC area. Justine Christakos drives the expansion of service delivery models to reach more than 2,800 individuals annually. This leadership role involves navigating complex regulatory environments while securing the resources necessary for sustainable growth. Through rigorous oversight of organizational performance, the President & Chief Executive Officer guarantees that every initiative directly improves the quality of life for children and families requiring specialized care and developmental support.

    James Kaufman - President & Chief Executive Officer, Amp

    James Kaufman, the President & Chief Executive Officer, Amp at Abbott House, manages specialized initiatives focused on enhancing service accessibility for adults with developmental disabilities. Kaufman architects operational frameworks that integrate community-based support with clinical care standards. By focusing on the Amp division, the President & Chief Executive Officer, Amp ensures that unique client needs receive tailored attention within the broader organizational structure. James Kaufman drives collaboration between regional service teams to optimize the delivery of group home and foster care programs. This role requires constant monitoring of service efficacy and resource allocation to maintain high standards of care. Through strategic planning and execution, the President & Chief Executive Officer, Amp strengthens the impact of programs across the Lower Hudson Valley, ensuring that every individual receives comprehensive support designed to foster independence and long-term stability.

    Gerard Finn - Chief Financial Officer

    Gerard Finn, the Chief Financial Officer at Abbott House, manages the fiscal health and long-term financial sustainability of the organization. Finn oversees all budgetary planning, grant management, and resource allocation to support the delivery of foster care and disability services. By analyzing economic trends within the Lower Hudson Valley and NYC area, the Chief Financial Officer ensures that capital remains available for critical program expansion. Gerard Finn drives financial transparency and compliance, working closely with the executive team to align spending with the core mission of supporting individuals with complex needs. This leadership role involves mitigating financial risk while maximizing the impact of every dollar invested in community programs. Through precise fiscal management, the Chief Financial Officer secures the stability required for the organization to continue providing essential care to thousands of individuals annually.

    Timothy Tostanovski - President, Human Resources & Executive

    Timothy Tostanovski, the President, Human Resources & Executive at Abbott House, manages the talent acquisition, retention, and organizational culture strategies essential for a high-performing non-profit. Tostanovski oversees the development of training programs that equip staff to handle the complex needs of children and adults in foster care and group home settings. By fostering a supportive work environment, the President, Human Resources & Executive ensures that the organization attracts professionals dedicated to the mission. Timothy Tostanovski drives initiatives that align workforce capabilities with the evolving demands of the Lower Hudson Valley and NYC area. This leadership role involves managing labor relations and internal policies to maintain operational consistency. Through the strategic management of human capital, the President, Human Resources & Executive supports the overall growth and stability of the organization, ensuring that every team member contributes effectively to the well-being of the individuals served.

    Sue Sheikh - Chief Information Officer

    Sue Sheikh, the Chief Information Officer at Abbott House, directs the digital transformation and technological infrastructure necessary to support complex social service operations. Sheikh manages the implementation of secure data systems that track client outcomes and streamline administrative workflows across the Lower Hudson Valley and NYC area. By modernizing information technology, the Chief Information Officer enables staff to focus more effectively on the needs of children and families. Sue Sheikh drives the integration of new software solutions to improve communication between group homes and central management. This leadership role involves protecting sensitive client data while ensuring that technology remains a reliable tool for service delivery. Through the strategic deployment of digital resources, the Chief Information Officer enhances the overall efficiency of the organization, allowing for better coordination of care for individuals with developmental disabilities.
    Sue Sheikh

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    Frequently Asked Questions Regarding Abbott House Top Executives and Leadership Team

    Who leads Abbott House?
    Abbott House is led by Justine Christakos (President & Chief Executive Officer), along with executives such as James Kaufman (President & Chief Executive Officer, Amp) and Gerard Finn (Chief Financial Officer).
    Who is part of Abbott House’s executive team?
    The executive team of Abbott House includes leaders such as Justine Christakos (President & Chief Executive Officer), James Kaufman (President & Chief Executive Officer, Amp), Gerard Finn (Chief Financial Officer) and other senior executives.
    How many executives does Abbott House have?
    Abbott House has 5 executives leading key business areas.
    What roles are included in Abbott House’s leadership team?
    The leadership team of Abbott House includes roles such as President & Chief Executive Officer, President & Chief Executive Officer, Amp, Chief Financial Officer, President, Human Resources & Executive, Chief Information Officer.