Teacher
Robert Hymus sensei has been a professional jujutsu teacher since 1978, both nationally and internationally.
Jan de Jong Jujutsu (Tsutsumi-ryu / Yoseikan Budo / Gyokushin-ryu)
- Master Level
- Rokudan (6th Dan)
- Renshi (Polished Expert)
Aikido
- Sandan (3rd Dan)
Civilian Instructor Unarmed Combat
- Special Air Service Regiment, Counter-Terrorist Teams, 1978 – 1981.
Instructor ‘management of aggression’
- Specialized self-protection training for ‘at risk’ health professionals, public and private emergency departments, and mental health units, 2004-2019.