New York attorney · Reg. #5331830

William Andrew Duncan

Registered (registry: Currently registered)

Current employer

Rigby Slack PLLC · Austin, TX · since at least September 2026

Admission

Admitted 2015, First Department · Columbia Law School

Employment history

• Rigby Slack PLLC · Austin, TX · 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.