Jordi Catà Castillo is a software engineer with more than 12 years of experience in free software, focused on web development with technologies such as PHP, Joomla, Symfony2, and Prestashop.

His graduation project, titled "Interactive Architectonic Walkthrough" was awarded the Best Graduation Project of the University of Girona.

At the beginning of his career, Jordi was involved with the investigation of Graphical Computing in the development of new illumination techniques for state-of-the-art videogames through graphical engines such as Crystal Space and Ogre3D. He has also collaborated in the publication of several technical papers and the book ShadersX5.

In 2005, he formed his own company (dunlock.com and webactualizable.com), specializing in web development and Joomla!. In 2010 he joined forces with another partner to create Arambee.com.

With regards to Joomla! and Virtuemart, Jordi has worked on different kinds of projects, from corporative websites to the integration of Joomla! with ERP and CRM via web services, and has developed several extensions for customers.

Jordi has participated as a speaker in several conferences on Joomla! and PHP development in Spain, such as the Joomla! Days Spain (2009: co-organizer and speaker in 2010, 2012), the PHPConference, and the Free Software Talks.

Jordi is a part of different entrepreneurship initiatives in Spain such as Iniciador.com (co-organizer in Barcelona from 2008 to 2012, co-organizer in Girona since 2012) and the Junior Chamber International of Girona.

Jörgen Hübner was born in Uppsala, near Stockholm, in 1961 and holds a degree in mechanical engineering. He has more than 20 years of experience in the development and design of microcontroller-based products. He is responsible for almost all of the development steps, schematic design, PCB layout, software design, programming in C, and also design of testing procedures for the finished products. He holds a black belt in Judo and has been active in Judo for more than 30 years, 15 years of these as an instructor. Besides this he also likes photography.

He runs his own web shop www.kreativfotografi.se selling camera accessories. The web shop is of course powered by Joomla! and Virtuemart.

Kelvyn Sheppard first learned the elements of computer programming around 1975 while working as a biomedical scientist in the UK National Health Service. Following a move to the English Lake district, he set up his first website development business in 1996 and now owns and manages Jenkin Hill Internet which provides website development services and consultancy.

Having built an e-commerce website in 2007 using an early version of VirtueMart, Kelvyn became interested in the development of the component and became a moderator on the VirtueMart support forum in 2009. Working with the VM development team as a writer and tester, he now manages the busy support forum, all in his spare time and in a voluntary capacity.

Sabuj Kumar Kundu is the founder and CEO of Codeboxr. He has almost 7 years of experience in the IT field.

The website Manchumahara.com with the tag line "let's start again…" is his personal blog site where he writes about technology, spirituality, and poems.

Codeboxr is a web service start-up company (founded in 2011) revolving around organic ideas and meeting demands of our clients with advanced solutions for a social and friendly web experience. The company is very enthusiastic about social media, its potential, and how to better integrate it within sites that want meaningful engagement with their visitors and customers. It builds extensions for industry leading content management systems (such as Joomla!, Drupal, and WordPress) to make web2.0 more socially integrated.