Gershon Ben Keren has been involved as
an instructor in several Israeli martial arts with several different organisations.
He has been an instructor with the IKMF, CKM, UKM, KAPAP and has trained in Israel with
the IKMA. He is now a technical advisor for the UKM (Urban Krav Maga) grappling and groundwork
program.
He is a qualified personal trainer and sports masseur and brings his knowledge of
physiology and conditioning to all classes. He also holds a Social Science degree
and is involved in research concerning the causes and motivations of violence. He has
taught and lectured on this subject to several companies and institutions world wide.
This knowledge allows him to teach situational awareness and de-escalation as well
as physical self-defense.
He has appeared in several instructional DVD's and has been the subject of both magazine
and newspaper articles. He runs a full time academy in Boston, teaching Israeli Krav
Maga (IKMA - Gidon system) and "Cosher Kravi" (Combat Fitness) programs.