Joanna Ziobronowicz is a former IBJJF World Champion in Brazilian Jiu-Jitsu, member of Reorg charity and owner of Women’s Self Defense UK. Drawing on 20 years' experience in martial arts and the security industry, and on her UCL Master's from the division of Psychology and Language Sciences, she delivers workshops to companies and the wider public. Find out more at: www.womenselfdefense.co.uk
Author's Website: http://www.womensselfdefence.co.uk
