Krav Maga Yashir Instructor Team
Krav Maga Yashir Head Instructor
NAME: GERSHON BEN KEREN
RANK: 5th DEGREE BLACK BELT
Krav Maga Yashir, Head Instructor, Gershon Ben Keren has been training and teaching Krav Maga since 1994. He passed the 29 day IKMF Instructor Course, under Eyal Yanilov and Amnon Darsa, and has trained with other notable Krav Maga instructors, including Miki Assulin, Avi Moyal, and Haim Gidon. In 2010, he was inducted into the Museum of Israeli Martial Arts in Herzliya, Israel. He has written three Amazon best-selling books on Krav Maga and started working in the security industry in 1990. He holds two master’s degrees, one in Psychology and the other in Criminology and Criminal Psychology and is actively engaged in research concerning environmental criminology i.e., why certain crimes -including violent offenses – happen at specific times, in specific locations (the spatial and temporal aspects of crime) etc. His academic background and experiences of working within the security industry informs the training methods and solutions employed in the Krav Maga Yashir system. The Krav Maga Yashir training center he teaches at is located just South of Lawrence (a 20-minute drive) off of I-93 South.
Krav Maga Yashir Instructor Team
Liz Berrien
KRAV MAGA INSTRUCTORLiz has been studying Krav Maga, since 2009, and has helped run the Krav Maga Yashir free Women's Self-Defense Program since 2014. Liz is a certified personal trainer and functional training specialist with ACE®. She is also a certified Strongman Trainer with Crossfit, and the World's Strongest Man, Svend Karlsen (who runs the Global Strongman Gym). Amongst Liz's other qualifications, she is certified with TRX®, and USA Boxing, and is also an instructor with ALICE, Active Shooter Response.
Justin Brown
KRAV MAGA INSTRUCTORJustin has been training at Krav Maga Yashir since 2017, and before that practised several martial arts including Aikido and Tae-Kwon-Do. Justin is a certified Group Fitness Instructor with ACE®. He is also a certified EMT and works as a first responder with the Fire Department. He is also a STOP THE BLEED INSTRUCTOR®, teaching civilians how to initially respond to traumatic events. He has has been training with firearms since 2007 and holds an instructor certification with ALERRT’s Civilian Response to Active Shooter Events (CRASE).
Nick Zagami
KRAV MAGA INSTRUCTORNick Zagami has been working in law enforcement experience (including county-level corrections) and municipal policing since 2014. He is a MPTC certified firearms instructor and an active member of his regional response team. During his time working in law enforcement, he has completed specialty training in Crisis Intervention, the Law of Self Defense, and ALERRT's Active Attack Integrated Response (AAIR). He has a passion for helping people understand the law and how to best navigate that system in order to increase personal protection.