Simon was one of the first two British Black Belts in the European Federation of Krav Maga (FEKM) and was instrumental in the creation of the UK Sector of the FEKM which was officially inaugurated in January 2015.
Along with Eric, Yann was (and still is) one of the driving forces behind the FEKM-UK and FEKM Krav Maga in general. He has co-authored books, created a motion capture Krav Maga training app and has posted hundreds of instructional videos online.