Co-authored Growing Object Oriented Software Guided By Tests with Nat Pryce (2009, Addison-Wesley, ISBN 978-0321503626) www.growing-object-oriented-software.com 
Founder member of London Xp Day.
See also :
www.xpdeveloper.com (Broken Link - is that an expired domain, domain hijacking, or a cracked web server ?)
Pages I've started here:
Magazine articles:
"Partial Revelation and Modula-3" by Steve Freeman, Dr. Dobb's Journal, October, 1995. [1]
Once at Thomson Financial.
Well, and you initiated the page on Domain Specific Languages -- Arie Van Deursen :-)
See original on c2.com