New York attorney · Reg. #5583950

Donald Neil Barclay, Iii

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

Current employer

Suffolk County District Attorney · Smithtown, NY · since at least September 2026

Admission

Admitted 2018, Second Department · Penn State Law University Park

Employment history

• Suffolk County District Attorney · Smithtown, NY · 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.