Mr. Greene has served as a law enforcement officer since 2004 in the Commonwealth of Virginia before founding Hyperion Solutions, LLC. During his time as a law enforcement officer he has worked a patrolman, SWAT member, crash reconstruction specialist, forensic field technician, defensive tactics instructor, field trainer, general instructor, police motorcycle operator, SWAT medic, and various other positions. Mr. Greene was appointed as his SWAT team's Training Coordinator, organizing and conducting training with the team and surrounding State, Local, and Federal tactical units. Mr. Greene is registered with Virginia DCJS as a private investigator, executive protection agent, and private security services instructor. Mr. Greene is a staff instructor at Commonwealth Criminal Justice academy where he teaches courses involving firearms, investigations, executive protection, and SWAT tactics.