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Arc of Westchester's Overview

Total employees850
HeadquartersHawthorne
Founded1949

Arc of Westchester is the largest agency in Westchester County, New York, supporting children, teens, and adults with intellectual and developmental disabilities, including individuals on the autism spectrum, and their families. For over 70 years, they have been providing innovative programs and services that foster independence, productivity, and participation in community life. Their person-centered approach ensures that individuals receive tailored support to achieve their personal goals and live fulfilling lives. Services span residential options, day programs, employment services, therapeutic services, recreation, and family support.

Where is Arc of Westchester's Headquarters?

HQ Function

Serves as the central administrative and operational hub for Arc of Westchester, coordinating programs, services, advocacy efforts, and community outreach across Westchester County.

Notable Features:

The headquarters is a modern, accessible facility designed to accommodate administrative staff, training programs, and sometimes direct service provision or community meetings. It often houses key departments like HR, finance, program development, and executive leadership.

Work Culture:

The work culture at Arc of Westchester is mission-driven, characterized by compassion, dedication, collaboration, and a strong commitment to empowering individuals with disabilities. Staff often express a deep sense of purpose in their work.

HQ Significance:

The headquarters is significant as the nerve center for an organization that profoundly impacts thousands of lives in Westchester County, providing essential support and advocating for the rights and inclusion of people with developmental disabilities.

Values Reflected in HQ: The headquarters likely reflects values of professionalism, accessibility, community, and a person-centered approach, designed to be a welcoming and efficient space for staff, individuals served, and their families.

Location:

Arc of Westchester's operations and direct services are primarily concentrated within Westchester County, New York. While they are part of the larger Arc of the United States network, which has a national scope, Arc of Westchester itself does not have an international or global operational presence. Their focus is on local community impact and support.

Street Address:

265 Saw Mill River Road

City:

Hawthorne

State/Province:

NY

Country:

USA

Arc of Westchester's Global Presence

Mount Kisco, NY/USA

Address: 350 Lexington Ave, Mt Kisco, NY 10549

Serves individuals in the northern Westchester area, providing accessible day programs and support services closer to their homes.

Yonkers, NY/USA

Address: Ann Manzi Center, 121 dapplegate Road, Yonkers, NY 10703

Provides critical services to individuals and families in the southern Westchester region, often acting as a hub for multiple programs.

New Rochelle, NY/USA

Address: Various residential homes and smaller program sites are located throughout New Rochelle and other towns.

Offers community-based living options that promote independence and inclusion for adults with developmental disabilities across different parts of Westchester.

Buying Intent Signals for Arc of Westchester

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Arc of Westchester

As of April 2025, Arc of Westchester' leadership includes:

Tibisay Guzmán - Executive Director/CEO
Nancy Patota - Executive Director, The Arc Westchester Foundation
Joan Rapaport - Associate Executive Director of Program Operations
Rosemarie Crisafi - Associate Executive Director of Career & Employment Services
Barry Clark - Chief Financial Officer
Fran Higgins - Associate Executive Director of Residential Services
Abby Sapan - Director of Quality Improvement

Investors of Arc of Westchester

Arc of Westchester has been backed by several prominent investors over the years, including:

New York State Office for People With Developmental Disabilities (OPWDD)
Individual Donors
Corporate Sponsors
Foundation Grants (e.g., The Arc Westchester Foundation solicits and manages private funding)
Medicaid and other government funding sources

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

Based on publicly available information, there have been no major high-profile executive hires or exits announced for Arc of Westchester's core leadership team in the past 12-18 months, suggesting a period of stability. Most recent significant changes predate this period.

Technology (Tech Stack) used by Arc of Westchester

Discover the tools Arc of Westchester uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Arc of Westchester Email Formats and Examples

Arc of Westchester likely uses common professional email formats, often combining the employee's first initial and last name, or first name and last initial, with their domain name.

[first_initial][last]@arcwestchester.org (e.g., jsmith@arcwestchester.org) or [first].[last]@arcwestchester.org (e.g. jane.smith@arcwestchester.org)

Format

tguzman@arcwestchester.org

Example

75%

Success rate

News and media

Arc Westchester WebsiteOctober 26, 2023

Arc of Westchester Receives $25,000 Grant from The Thomas and Agnes Carvel Foundation

Arc of Westchester announced it received a $25,000 grant from The Thomas and Agnes Carvel Foundation. This funding will support the organization's programs for individuals with intellectual and developmental disabilities....more

Arc Westchester WebsiteMay 10, 2023

A Tasteful Evening Raises Over $350,000 for The Arc Westchester

The Arc Westchester Foundation's annual fundraising gala, 'A Tasteful Evening,' successfully raised over $350,000 to support programs and services for children and adults with developmental disabilities in Westchester County....more

Arc Westchester WebsiteSeptember 12, 2023

Arc of Westchester Staff Participate in New York Statewide Direct Support Professional Conference

Staff from Arc of Westchester attended and participated in the New York Statewide Direct Support Professional (DSP) Conference, contributing to discussions and learning about best practices in supporting individuals with disabilities....more

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