We'll be getting up to speed with Clojure by taking on the Clojure Koans. The koans are a series of problems that introduce the language as you solve them. Bring your laptop and grab a copy of the koans if you get a chance.
Chris Mihalcik is a developer at Cassidian Communications. He does most of his work in Groovy and is changing the way he thinks about programming by learning Clojure.