Pierre-Louis Gottfrois is a full stack web developer who loves to write decoupled and well-tested applications. Fascinated by innovations, he is always ready to face new challenges. He is currently working on Ruby on Rails with great mentors such as Benjamin Roth, one of the top researchers on StackOverflow. Learning quickly and always paying attention to details, he is skillful but is also a great person to grab a beer with.

Jason Nichols is an expert in financial and econometric modeling and developing real-time data-visualization apps. With more than 15 years of JavaScript experience and numerous certifications and licenses in both software development and finance, Jason is a leading authority in applying JavaScript to complex real-time data analytics.

Laurence Putra is a software engineer working in Singapore and runs the annual GeekcampSG. He also runs the Singapore MongoDB User Group. In his free time, he hacks away at random stuff and picks up new technologies. His key interests lie in security and distributed systems. For more information, view his profile at geeksphere.net.

Khaled Tannir has been working with computers since 1980. He has a Bachelor's degree in Electronics and a Master's degree in System Information Architectures, and completed his education with a Master's degree in research.

He is a Microsoft Certified Solutions Developer (MCSD), and is an experienced Solution Architect with more than 20 years of technical experience in leading the development and implementation of software solutions and giving technical presentations for many companies in France and Canada.

An avid technologist, he has focused on Big Data technologies since 2010. Currently, he is working as a Big Data architect lead and trainer for a large financial institution in Canada.

Khaled is the author of RavenDB 2.x Beginner's Guide and Optimizing Hadoop for MapReduce, both books by Packt Publishing. He was also a technical reviewer for Pentaho Analytics for MongoDB, Bo Borland, Packt Publishing.

He enjoys taking landscape and night photos, travelling, playing video games, creating funny electronics gadgets with Arduino / .NET Gadgeteer, and of course spending time with his wife and family. You can contact him at <[email protected]>.