After his Master's degree in Computer Science and Engineering from Linköping University (Sweden) and Nanyang Technological University (Singapore) he pursued a PhD in application security. Last paper is published so now it's time for dissertation and defense. John's research publications can be found here.
John started the Swedish OWASP Chapter in 2007 and has since been leader and co-leader. In 2010 he chaired the most successful OWASP AppSec EU conference so far – OWASP AppSec Research 2010. John is listed along with the Swedish chapter as contributors to OWASP Top 10 2010. In 2011 he hosted the Browser Security Sessions at the Global OWASP Summit in Portugal. He also co-founded the OWASP Builders initiative.
For more detailed information, please see his public LinkedIn page.