Henry (Hank) Brown, CEO of SixfourShield, is a Certified Firearms Instructor in the State of Maryland. Credentialed through the U.S. Concealed Carry Association, NRA , and recognized by the Maryland State Police. He advocates gun safety and education for individuals interested in exercising their Second Amendment rights.

Hank is a USCCA Certified Instructor, USCCA Certified Emergency First Aid Instructor, NRA Certified Instructor, NRA Defensive Pistol, NRA Home Firearms Safety, NRA Law Enforcement Certified Instructor, and NRA Chief Range Safety Officer.

He currently serves as a Reserve Official overseeing three districts with the Metropolitan Police Department of Washington, DC.