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200 Terminal Street
MA 02129

TEL: (339) 224-8005

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Gershon Ben Keren

Israeli Krav Maga Instructor In Boston - Gershon Ben Keren Head Instructor, Gershon Ben Keren, received his Krav Maga training in Israel and Europe. He is a 3rd Degree Black Belt in Krav Maga, and was tested for his Black Belts in Israel where he also received his teaching certification. He has been trained by some of the IDF's (Israeli Defense Forces) most experienced and respected Krav Maga instructors including Dennis and Guy Hanover (Dennis Hisardut), Haim Gidon (Israeli Krav Maga Association), Eyal Yanilov (Krav Maga Global), Avi Moyal (International Krav Maga Federation) etc. In December 2011 he was inducted into the "Museum of Israeli Martial Arts" at the Israeli Martial Arts Center in Herzilya, Israel. He has also competed in the Dennis Survival Championship in Israel - a bare knuckle, knockdown fighting tournament. He continues to return to Israel to train in order to ensure that what is taught at the school is the most relevant, effective and up to date real world solutions available.

He has over 20 years experience teaching Reality Based Self Defense and "Close Combat" to Special Forces Operatives (SEO's), Law Enforcement Operatives (LEO's), Military Personnel and civilians. In 2008 He moved to Boston from London, UK (where his schools are still running) and began teaching in the Boston area, first in Cambridge renting space at the Cambridge YMCA and then in Medford (Roshankish Tae Kwon Do). In April of 2012 he moved his school, Krav Maga Yashir Boston, to a dedicated 16 000 sq ft Krav Maga training facility in Charlestown. This is the largest dedicated Krav Maga training facility on the U.S. East Coast.

Since 2008, he has brought some of the world's foremost Krav Maga instructors to teach seminars and conduct workshops, including David Kahn, Roy Elghanyan, Ran Steinberg, Gavriel Schneider to conduct seminars at the school, using his contacts in Israel and abroad to bring the best Krav Maga, Self Defense and Security Instructors to Boston. To read about the seminars and instructors that have conducted seminars at Krav Maga Yashir Boston, please click here.

In 2012 Tuttle Publishing contacted him to write a definitive book on Krav Maga after his "Krav Maga Blog" started to gain a following of respected security industry professionals and fellow Krav Maga instructors - the book is due to be published in the Fall of 2014. You can read the Blog - which is updated each week - at, which can be accessed by clicking here.

He is often sought out by Journalists and meia representative to comment and give analysis on violent crimes that have taken place,and has done interviews with Mens Health, been interviewed on WBUR/NPR and appeared on FOX 25 News amongst others.