Doug Devlin is a Police Officer and System Use-of-Force Trainer.  He is the creator of POLDO (The Police Method of Arrest and Self-Defense) and founder of the Police Martial Arts Association International.  He holds Bachelor of Arts and Master of Arts in Education Degrees.  He is a master level Black Belt instructor in the arts of Taihojutsu, Jujutsu and Karate. In 1998 he was inducted into the International Martial Arts Hall of Fame for his leadership in the police training profession.  Mr. Devlin teaches seminars internationally to police officers and academics.