Caitria O'Neill - 'Design Thinking' for entrepreneurs - basic process for founders to get to know their user quickly/validate ideas with them. A crash course in UX.
Arjan Scherpenisse - Zotonic the Erlang Web Framework.
The craft beer on draft is the Hopblond (a cross between American IPA and Belgium Blond. 6%) from Amsterdam's Brouwerij de Vriendschap (http://www.brouwerijdevriendschap.nl/bieren/) and their NDSM Porter (6%) in the bottle.
Also available in bottle is the Slomo (session beer, 3.5%) from Amsterdam's Oedipus brewing.