The latest version of our Free Guide to Web Summit 2015 has been updated to include previews of some of the speakers who will be appearing on stage at the Dublin conference at the start of November. The following samples give you a taste of our speaker profiles. Download the free guide to read all of them.

Dan Brown – Author

The mysterious head of a startup rainmaker event, The Web Summit, has started plans to move operations elsewhere, possibly under duress from an ancient order of monks whose power reaches far and wide. Founders have begun to be picked off one by one in grisly circumstances by a hulking monster known only as the Cash Crunch that appears out of nowhere. Can Dan Brown’s talk shed any light on this chilling situation? Probably not but you can bet he’ll have some interesting stuff to say.

Stewart Butterfield – CEO, Slack

Stewart is a complete and utter failure at building games companies – mainly because he keeps getting distracted by creating things like Flickr and Slack that revolutionise their industries. Drop by to find out if building category-defining startups is best done as a sideline.