New York attorney · Reg. #1749837

Mark Casillas

Registered — renewal due (registry: Due to reregister within 30 days of birthday)

Current employer

Law Office of Mark Casillas, Esq. · Tiburon, CA · since at least September 2026

Admission

Admitted 1982, First Department · HARVARD

Employment history

• Law Office of Mark Casillas, Esq. · Tiburon, CA · current

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.