Carlos has developed for the web for more than 15 years and has worked with Python since 2000. He has worked in dozens of Zope and Plone projects of all sizes and recently has been doing more and more BFG and Django web development. He is the author of the book "Web Development with Grok" and has contributed to the BFG and Plone open source projects. He is currently writing a book about the Zope Object Database.