Interaction11 - IxD11 Boulder, Colorado February 2011
Interaction11 - IxD11 Boulder, Colorado February 2011
IxDA Hamburg Event April 2011: Kanban Session
IxDA Hamburg Event April 2011: Kanban Session
IxDA Hamburg Event - January 2011
IxDA Hamburg Event - January 2011
Barcamp-Hamburg 2010 #bchh10
Barcamp-Hamburg 2010 #bchh10
IxDA Hamburg November 2010 Event
IxDA Hamburg November 2010 Event
Ixd10 - Interaction 10 Savannah 2010
Ixd10 - Interaction 10 Savannah 2010
UX London 2009
UX London 2009
CHI 2009 Boston
CHI 2009 Boston
UXweek2008
UXweek2008
CHI 2008 Florenz
CHI 2008 Florenz
UXWeek2007
UXWeek2007