New York attorney · Reg. #4084000

John J. Messina

Registered (registry: Currently registered)

Current employer

Haynes & Boone LLP · New York, NY · since at least September 2026

Admission

Admitted 2002, First Department · NEW YORK UNIVERSITY

Employment history

• Haynes & Boone LLP · 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.