Jon has been training in Krav Maga for nine years. He received his theoretical instructor training from Master Avi Moyal (top student of Krav Maga Founder Imi Lichtenfeld) and his practical skills and tactics instructor training from the highest-ranking active IKMF expert in North America (Paula Meyers).

David has over 2 decades of experience in grappling arts, both competing and coaching, and has trained with the US Olympic wrestling team. He has been training in Krav Maga for nine years and has trained with several of the highest-ranking IKMF experts globally. He has also received instructor training with IKMF expert Paula Meyers and Global Instructor Shlomi Bouzaglo.