Kendall Helmstetter Gelner
Currently an iPhone consultant and developer but have used a broad range of languages in the past, particularly Java, C and Scheme.
I also speak/have spoken on XCode and advanced debugging at a number of developer conferences, including 360iDev, Mobile Connections and iDevCon.
Contact me for custom training or advanced help with XCode.
Follow me on Twitter for XCode and iPhone SDK hints and tricks: @kendalldevdiary