New York attorney · Reg. #5956115

Dionissia Diana Siozios

Registered (registry: Currently registered)

Current employer

Mgm Resorts International · Las Vegas, NV · since at least September 2026

Admission

Admitted 2023, Second Department · Yeshiva University Cardozo School of Law

Employment history

• Mgm Resorts International · Las Vegas, NV · 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.