Lex Mentis™Attorney Check

New York attorney · Reg. #6063168

Sydney Sawyer Gaylin

Registered (registry: Currently registered)

Current employer

Sionna Therapeutics, Inc. · Waltham, MA · since at least September 2026

Admission

Admitted 2023, Third Department · Columbia Law School

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.