Carsten Ziegeler is a senior developer and software architect for JEE and portal applications at Adobe Systems. He is a member of the Apache Software Foundation and has been participating for more than twenty years in several open source projects. Carsten is a member of several Apache communities and project management committees like Felix, Sling, and Portals. In addition, Carsten is frequently writing articles, reviewing books, and presenting at various conferences.
Emmanuel Venisse has been developing, architecturing, and integrating J2EE applications for thirteen years for banks, government, holiday company projects, and so on. For the last six years, he has worked as a freelancer. For the last eight years, he's been working, in his spare time, on Apache Maven, Continuum and Archiva projects as a core developer and he's also the Continuum project leader. He has contributed to the majority of books written about Apache Maven.