New York attorney · Reg. #5571724

William Shields Peifer

Registered (registry: Currently registered)

Current employer

Jefferies LLC · New York, NY · since at least September 2026

Admission

Admitted 2018, First Department · Boston College Law School

Employment history

• Jefferies LLC · New York, NY · 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.