Daniele Sluijters is a featured community member and author of tools like pypuppetdb and Puppetboard. He works together with the Puppet Labs module team on a number of modules, most notably puppetlabs-apt and has worked on a number of Puppet-related publications. He's been involved in the community for about five years, starting off with helping out on IRC and the mailing lists and eventually a regular speaker at Puppet events and community gatherings.