Ryan Bigg works as a consultant at <ahref="http://rubyx.com">RubyX</a> and has been working with Rails since 2006. He's co-authoring a book called <ahref="http://manning.com/katz">Rails 3 in Action</a> and he's written many gems which can be seen on <ahref="http://github.com/radar">his GitHub page</a> and he also tweets prolifically as <ahref="http://twitter.com/ryanbigg">@ryanbigg</a>.
<%end%>
<%=author('Oscar Del Ben','oscardelben','oscardelben.jpg')do%>
Oscar Del Ben is a software engineer at <ahref="http://www.wildfireapp.com/">Wildfire</a>. He's a regular open source contributor (<ahref="https://github.com/oscardelben">Github account</a>) and tweets regularly at <ahref="https://twitter.com/oscardelben">@oscardelben</a>.
<%end%>
<%=author('Frederick Cheung','fcheung')do%>
Frederick Cheung is Chief Wizard at Texperts where he has been using Rails since 2006. He is based in Cambridge (UK) and when not consuming fine ales he blogs at <ahref="http://www.spacevatican.org">spacevatican.org</a>.