About Us
i-def.systems is a civilian-oriented self-defence system. Behind the training is a compact, experienced team with diverse professional backgrounds, united by one common focus: functional self-defence for real emergency situations.
Team
benjamin meyer
Role at i-def.systems: Developer & Head of Training
Profession: Martial Arts Instructor
Qualifications:
– More than 25 years of martial arts and self-defence experience
– Krav Maga Master (Protect Academy, Dr. Itay Gil)
– Development and instructor education in civilian personal protection
Self-defence is …
– Survival, not victory.
– Resistance instead of hope.
– Instinct instead of perfection.
– Clarity instead of complexity.
– Taking back control.
Sebastian Burkert
Role at i-def.systems: Developer & Instructor
Profession: Certified Teacher
Qualifications:
– Many years of training in martial arts and self-defence
– Krav Maga Instructor
– Teaching Krav Maga since 2015
Self-defence is …
– Stepping outside your comfort zone.
– Demanding work that requires commitment.
– Empowerment.
– A fundamental right.
Joachim Göhrmann
Role at i-def.systems: Developer & Instructor
Profession: Public Administration Graduate, Office Administrator
Qualifications:
– More than 45 years of martial arts and self-defence experience
– Extensive coaching and elite athlete development experience
– Israeli Krav Maga Instructor (Civilian & Tactical)
Self-defence is …
– Essential.
– Simple.
– For everyone.
– Not a sport, but preparation for reality.
– Security.
Jörg Radkowski
(Portrait photo coming soon)
Role at i-def.systems: Developer & Instructor
Profession: Sports Scientist and Physical Education Teacher
Qualifications:
– State Examination in Sports Science
– More than 25 years of experience as a physical education teacher
– Krav Maga Instructor (Protect Israeli Security Solutions, Itay Gil)
Self-defence is …
– Consistent.
– Solution-oriented.
– Adaptive.
– Focused on the problem, not the textbook.
– Situational rather than schematic.
Ibrahim Tuffaha
Role at i-def.systems: Developer & Instructor
Profession: M.Sc. Renewable Energy Engineering
Qualifications:
– Continuous civilian self-defence training since 2014
– Teaching Krav Maga since 2022
– Certified in the safe handling of firearms
Self-defence is …
– Avoiding danger.
– Ending conflicts quickly.
– Automatic responses instead of conscious thought.
– Functional behaviour instead of technique lists.
– Preparing for the unpredictable.