New York attorney · Reg. #5189949

William Richard Ronald Jackman

Registered (registry: Currently registered)

Current employer

Riot Platforms, Inc. · Castle Rock, CO · since at least September 2026

Admission

Admitted 2013, Third Department · University of Detroit Mercy School of Law

Employment history

• Riot Platforms, Inc. · Castle Rock, CO · 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.