Theatre Deli, Studio 1, 2 Finsbury Avenue, London, Greater London, EC2M 2PA.
Sensei Luke Graham is a sho dan (first degree) black belt in the Jiu Jitsu style of Seishin Mizu Ryu Tatakai Jutsu.
He has trained in various martial arts for more than a decade and has been London's chief instructor since January 2015.
Theatre Deli, Studio 1
2 Finsbury Avenue