Lex Mentis™Attorney Check

New York attorney · Reg. #2971299

Mark Stephen Williamson

Registered (registry: Currently registered)

Current employer

Piper Alderman · Sydney Nsw 2000 · since at least September 2026

Admission

Admitted 1999, First Department · AUSTRALIAN NATIONAL UNIVERSITY

Employment history

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