Joel Grus gave the acclaimed BIL 2009 talk "Your Religion Is False" and the politely-applauded BIL 2011 talk "How to Be Funny". He's also the author of two books, Your Religion Is False and Thinking Spreadsheet. His hobbies include giving BIL talks, writing, grooming his daughter to take over the world, and working as Lead Data Scientist at a startup in Seattle. He occasionally blogs and more frequently twitters.