Matt McMahand 
Hot off the SouthEast Linux Conference, Keith Bennett gave a talk on how to make writing Ruby more functional using lambdas. He’s also open sourced a few projects on github, namely rexe, as well as contributing to the open source community. Thanks for coming down Keith!
Slides
Available on https://speakerdeck.com/keithrbennett/functional-programming-in-ruby-with-lambdas
Hack Night