Jeremy Keith is the Technical Lead and co-founder of the splendid design agency Clearleft in Brighton, England. You should hire them.
Jeremy has been writing on his personal site, adactio.com, for over fifteen years. He also written a number of books: DOM Scripting, Bulletproof Ajax, HTML5 For Web Designers, and most recently, Resilient Web Design which you can read for free online.
He also maintains TheSession.org, an online community dedicated to Irish traditional music, and he created Huffduffer.com—a site for creating your podcast of found sounds.
When he’s not making websites, he plays bouzouki in the band Salter Cane.