Tell us about yourself (professionally). What technical leadership experience do you have already?
Rspec for model tests for sure. Find the DSL much more concise than Test::Unit.
What languages/frameworks do you program in (Java, .NET, PHP, Ruby, etc.)? What is your favorite, if different?
What topics might you be interested in?
Focus while training junior developers
Do you have any specific areas of expertise? Would you be willing to share it with the group?
Pair programming, intern recruiting
What is your favorite version control system and why?
Git of course, for its ease of merging and branching.
Ruby on Rails, pair programming, and co-worker appreciation enthusiast