New York attorney · Reg. #6343677

John Roland Posthumus

Registered (registry: Currently registered)

Current employer

Polsinelli · Denver, CO · since at least September 2026

Admission

Admitted 2026, Third Department · University of New Hampshire School of Law

Employment history

• Polsinelli · Denver, CO · 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.