Kazi Ataul Bari was born in Comilla, Bangladesh. He has been working on PHP and MySQL, JavaScript, jQuery,CMS (Joomla, Drupal), Adobe Photoshop, Adobe Flash, and Action Script 3.0 for three years. Currently, he is working for GraphicPeople | Enfatico | WPP as Web Developer. He also worked at BRACNet Limited, and GoldenHash Technology as a Software Engineer and Quality Assurance Officer.

Nedo Laanen graduated in 2003, where he studied Applied Mathematics and Computer Science. He then started working for a large company in the computer industry. There he worked for several clients as a Novell System Administrator. Soon he developed a keen interest in Linux and Open Source software and started to pursue a career as a Linux professional at a Utrecht based company. Nedo has worked for companies like the Dutch department of the World Wide Fund in Zeist and the Dutch Council for Refugees in Amsterdam, as well as for several different Dutch Hospitals. He was also involved in the 'Antonius Open' project at the Antonius Hospital in Utrecht/Nieuwegein, a prestigious project of the Antonius hospital to cut back costs by implementing Linux and Open Source software in their computer network, replacing expensive proprietary software and eliminating vendor lock-in.

In 2011, Nedo started his own business as an all-round Linux engineer, providing Open Source solutions for other businesses: http://www.laanen-ict.nl.

Next to Linux and Open Source he is also an enthusiastic photographer (http://www.nedolaanen.nl). In 2009, he therefore started the website http://www.opensourcephotography.org to promote Open Source photography.

Nedo has also been a reviewer for Packt Publishing on the book GIMP 2.6 Cookbook.

Ronald J. Simon has been working with the development of shared information and database design dating back to the days before the Internet and has worked in many different areas of information management and writing documentation to support users.

Ron is also an Adjunct Instructor for Grand Valley State University and has worked in the legal field in Document management and security.

He is also an owner of RJS Designs, which is a small business consulting company.