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, GLOCK 5+ Certified Armorer and NRA Chief Range Safety Officer.

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