New York attorney · Reg. #5260443

Siena Sofia Magdalena Anstis

Registered (registry: Currently registered)

Current employer

Citizen Lab · Toronto M5s 0A7 · since at least September 2026

Admission

Admitted 2014, Third Department · MCGILL UNIVERSITY

Employment history

• Citizen Lab · Toronto M5s 0A7 · 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.