June 20, 2007GeekUp at The Cross Keys
July 18, 2007GeekUp at The Lounge
October 17, 2007GeekUp at The Lounge
November 17, 2007BarCamp Leeds at Old Broadcasting House @ Leeds Met
May 19, 2009Where 2.0 at Fairmont Hotel, San Jose
September 10, 2009TEDx Leeds at Old Broadcasting House @ Leeds Met