New York attorney · Reg. #1321504

Leonard B. MacKey

Registered (registry: Currently registered)

Current employer

Clifford Chance · New York, NY · since at least September 2026

Admission

Admitted 1976, Second Department · Stanford Law School

Employment history

• Clifford Chance · New York, NY · current

Compiled from NYS Office of Court Administration registration records and published NY Appellate Division decisions; current as of October 2026. Not an official record; verify with the NY Courts Attorney Search.