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About Us Lead Image


Art By: Chris Muzzio


Leadership, staff, departments and resources

Arc of Westchester Executive Staff

Richard P. Swierat

Executive Director

Tibisay Guzmán

Associate Executive Director/Chief Operating Officer

Nancy Patota

Executive Director, Arc of Westchester Foundation

Claudia Sickinger, M.D.

Medical Director

Norman Szymanski

Chief Financial Officer

Rosemarie Crisafi

Assistant Executive Director, Residential Services

Lawrence Faulkner, Esq.

Director of Corporate Compliance and General Counsel

Fran Porcaro

Assistant Executive Director of Educational Services

Laurel Ross

Assistant Executive Director Quality Improvement and Staff Development

Soosan Tehrani


Myriam Vocke

Director of Human Resources

Steven R. Yellen

Assistant Executive Director of Innovations and Community Development

The Gleeson-Israel Gateway Center

265 Saw Mill River Road

Hawthorne, NY 10532

Contact: Carol Gearing, Director, Life Planning Center phone: 914.949.9300, ext. 4620


The Ann Manzi Center

699 Main Street,

Mount Kisco, NY 10549

phone: 914.241.0505

fax: 914.241.0759

Contact: Patty Corbi, Community Day Habilitation Director

The Stella & Simon Sheib Center

567 Yonkers Avenue

Yonkers, NY 10704

phone: 914.963.1600

fax: 914.423.2393

The Children’s School for Early Development

40 Saw Mill River Road

Hawthorne, NY 10532

phone: 914.347.3227, ext. 106

fax: 914.347.4216

Contact: Fran Porcaro, Assistant Executive Director Educational Services

eDocNY at Digiscribe

150 Clearbrook Road

Elmsford, NY 10523

phone: 800.686.7577 x1102

Contact: Ellen Rothschild