Some of Datu Hartman’s Teachers
-
- Balintawak Grandmaster Ted Buot and Modern Arnis Grandmaster Remy Presas
-
- Ernesto Presas Jr, Grandmaster Ernesto Presas Sr. and Datu Tim Hartman
-
- Datu Tim Hartman and Grandmaster Remy A. Presas
-
- Datu Tim Hartman, Bando Grandmaster Dr. Maung Gyi, Paul O’Grady & friend
-
- Datu Tim Hartman and Grandmaster Remy A. Presas
-
- Grandmaster Ernesto Presas & Datu Tim Hartman