New York attorney · Reg. #5695770

William Robert Irwin

Registered (registry: Currently registered)

Current employer

Manning Gross & Massenburg LLP · Chicago, IL · since at least September 2026

Admission

Admitted 2019, Third Department · WASHINGTON UNIVERSITY SCHOOL OF LAW

Employment history

• Manning Gross & Massenburg LLP · Chicago, IL · 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.