Guro (teacher) Jeff Davidson is an internationally recognized instructor of Southeast Asian knife and empty-hand combatives, and has taught martial arts in the Metro Detroit area since 1985.

After earning a Black Belt in Korean Tang Soo Do at the age of 16, he became the Chief Karate Instructor to the Jewish Community Center of Metropolitan Detroit, which served over 500 students of all ages during his tenure.

In 1987, Mr. Davidson began the study of Indonesian, Filipino, and African Martial Arts under various teachers. He has received numerous accolades from the Indonesian Counselor General of Illinois, The Philippine American Cultural Community Center of Michigan, and has been a featured guest lecturer on Southeast Asian martial culture at academic institutions such as the University of Michigan, Western Michigan University, Oakland University, Michigan State University, and Marygrove College of Detroit.

In 1999 Guro Davidson was given the honor of exclusively promoting the Pekiti-Tirsia system of Kali as a personal student of Grand Tuhon Leo T. Gaje Jr. Grandmaster Gaje conducts yearly high-level training seminars for members of The Detroit Maphilindo organization and local law enforcement agencies.

Guro Davidson and his students have personally instructed members of the following groups in Pekiti-Tirsia Edged/Impact Weaponry and Empty-Hand Close Quarter Battle (CQB) tactics:

• PHILIPPINE FORCE-RECON MARINE CORPS.

• CRISIS RESPONSE GROUP (CRG) OF THE PHILIPPINE COUNTER TERRORISM TASK FORCE

• SPECIAL WEAPONS AND TACTICS (SWAT) OF THE PHILIPPINE AVIATION SECURITY GROUP (ASG)

• SPECIAL ACTION FORCE COMMANDOS (SAF) OF THE PHILIPPINE NATIONAL POLICE

• MICHIGAN TACTICAL OFFICERS ASSOCIATION

• WAYNE COUNTY SCHOOLCRAFT POLICE ACADEMY

• WAYNE, OAKLAND, MACOMB AND WASHTENAW COUNTY LAW ENFORCEMENT AGENCIES