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 Pyramid web development. He is the author of the book "Web Development with Grok" and has contributed to Pyramid, Plone, and other open source projects. He is currently writing a book about the Zope Object Database.