Ben Poller is a retired Special Agent with the Wisconsin Department of Justice, where he served for 24 years as a founding member of the tactical team and a master defensive tactics instructor. A fourth-degree black belt in Blue Dragon Martial Arts and a Brazilian Jiu-Jitsu purple belt, he has over three decades of combined experience in martial arts, law enforcement, and real-world violent encounters. Now through his company, Close Quarter Survival Tactics, and as an instructor at Madison College, he dedicates himself to teaching proven, practical self-defense concepts to civilians. He lives in Wisconsin.