Louis-Guillaume Carrier-Bédard has been working for the last 9 years with Oracle technologies. Developments in the private and public sectors have helped him to build a solid background and renown in the Oracle APEX community. Louis-Guillaume received an honorable mention from Google Security for reporting security vulnerabilities; he appears on Google's Hall of Fame.

Louis-Guillaume is Oracle APEX Development Director at SIE-Solutions and CTO of newMarket. He is an adventurer who seeks new challenges to quench his thirst for knowledge.

He has worked as Technical Reviewer of the book Oracle Application Express Forms Converter (http://www.packtpub.com/oracle-application-express-forms-converter/book).

Christophe Van Gysel (http://chri.stophr.be) is a Computer Scientist active in the Drupal community where he maintains and contributes to several projects. Beyond Drupal, he is also experienced in Distributed Systems and Machine Learning. In his spare time, Christophe specializes in Web Security research. He has participated in various white hat hacker programs.

He is the author and maintainer of Visualization API (http://drupal.org/project/visualization), an actively used module for Drupal that provides a robust and easy accessible way to visualize data. It supports, but is not limited to, the Google Visualization API.

Thomas Schäfer, who is a Former German Air Force Captain (academic degree), lives in Erftstadt, small city near Cologne, Germany.

He is an IT Pro since 2003. As a developer at Questback GmbH (Enterprise Feedback Software Company), he has worked on PHP, Javascript, MySQL, jQuery, and MooTools. He is also proficient with other technologies such as VisualBasic, C#, JAVA, Ruby, Python, PostgresSQL, NoSQL, ExtJS, GoogleVis API, and NodeJS. He has also worked in CSS Responsive Design using Compass.

He is 46 years old, married, and has two children.