Dusadee Bualert (Foon) is currently an owner and head instructor of a self-defense school called “Unified Martial System” or “UMS”. His teaching method is based on self-defense tactics and survival skills upon the use of Filipino Martial Arts (FMA). Also, he is a former head shooting instructor, giving a course on competitive shooting style of practical shooting platform. He holds Master Degree of Science in Counselling Psychology for sports performance enhancement. Foon is certified Pekiti Tirsia Kali Instructor (Lakkan Guro) and safety officer, International Defensive Pistol Association.
Foon is now coaching Kali, empty hand fighting (Panantukan) and self-defense classes at Bangkok Fight Lab.