Robert Cook Sullivan 3 Garden Ridge Rd Chappaqua, New York, 10514 Phone: 914-238-8355 Company Name: Robert C. Sullivan Attorney At Law Lawyer Category: Labor & Employment Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Chappaqua 3 Garden Ridge Rd Chappaqua, New York 10514 Claim/Edit Listing