• Production Leadership Team (PLT): responsible for coordinating the production of the Joomla! CMS and Framework, including code, documentation, and localization.
  • Community Leadership Team (CLT): responsible for all Joomla! websites, forums, and user groups.
  • Open Source Matters (OSM): responsible for managing all legal and financial affairs for Joomla! and also the Joomla! demo sites.

You can access the mailing lists of these teams using the following links:

Members of the PLT and CLT are listed below. See the OSM Website for a list of the OSM Board members.

headshot luca

Location: Lecce, Italy, Europe
Timezone: GMT +1
Position: Production Leadership Team
URL: https://github.com/jeckodevelopment
Twitter: @jeckodev


Born and living near Lecce, Italy, Luca got in touch with Joomla! in 2007. Shortly he became an active member of the Italian Joomla! Community where he served as forum moderator and then global moderator.

In January 2015 he joined the Joomla! Extensions Directory Team as Listing Specialist and during 2016 he was appointed Listing Manager. In 2015 he joined also the Certification Operations Team, where he serves as Assistant Team Leader, and the Trademark & Licensing Working Group. In May, 2016 he joined the Production Leadership Team.

Guillermo Bravo

Location: Iquique, Chile, South America
Timezone: GMT -31
Position: Community Leadership Team
URL: www.joomla.cl 
Twitter: @JWillin


Born and living in Iquique, Guillermo meet Web Development early 2000's during his studies at Bussines Administration. Related with Joomla since 2007, when he create he's first Joomla website.

The Joomla community involvement began with the co-fundation of the local community, Joomla.cl. In that community he become administrator of the help forum and editor of the community blog. Then he start to volunteer in the Joomla Community Magazine in which he manage the International Stories section, and prepare all non-English articles for launch. He also lead the Spanish authors and translators group for the magazine, which currently produces half of the total articles in each new issue. He's working with the multilingual team to prepare the magazine for a better in-language experience, and to make it easier to translate articles. The JCM is almost ready to launch the Spanish version of the JCM, and we know that many other languages will follow!

In Social Networks you will find him always in Facebook, from that channel he's doing the effort to keep the spanish speakers Joomla community more involved in the Joomla! project, sharing news, events and bringing suport throught many Joomla related groups.

Ruth Cheesley

Location: United Kingdom, Europe
Timezone: GMT
Position: Community Leadership Team
URL: www.viryatechnologies.com 
Forum ProfileRCheesley


Ruth has always been a passionate supporter of free and open source software, and came across Joomla! in the early days when asked to design a website during her time as IT Technician at a school, and the rest, as they say, is history! She now runs a business - Virya Technologies and Virya Software - which specialises in Open Source technologies including Joomla! website design, management and extension creation, and Linux server management. Her personal area of interest lies within search engine optimisation and helping websites to recover from poor SEO practices. Ruth also founded Joomla! User Group Suffolk and is on the team for Joomla!Day UK events.

When she's not in front of a computer screen she can be found lurking in the countryside assessing young people completing their Duke of Edinburgh's Expedition or hunting out geocaches. She's also training for ordination with the Triratna Buddhist Community and is a field hockey goalkeeper.

Roland Dalmulder

Location: Hoogvliet, Netherlands, Europe
Timezone: GMT +1
Position: Production Leadership Team
Forum Profile:roland-d
Twitter: rdalmulder

A Joomla! Extension developer since 2006, since a few years also a Joomla! Bug Squad member and more recent co-organisor of the Joomla! User Group Rotterdam, Dutch Pizza, Bugs & Fun, Dutch Joomla! Day events, and Joomla! Bug Squad Team Lead.

My personal interest besides programming lies in travelling, running and going to the cinema. To keep my body happy, a good plate of good food is appreciated.


Location: Shrewsbury, Shropshire, United Kingdom
Timezone: GMT
Position: Documentation Working Group Coordinator

Born 1958, Chris first began programming on a DEC PDP8 in 1975. He gained a degree in mathematics in 1979 and, after a brief spell as a mathematician in the aerospace industry, got sucked into the rapidly growing computer industry. Chris has developed software at all levels from assembly language upwards, on everything from microprocessors to mainframes, and has learnt through hard experience the value of good, disciplined commenting and thorough documentation. "Documentation is as much a part of the finished product as the code itself."

He discovered Mambo in 2003 while searching for a content management system for an intranet project. Although impressed by the product itself, he felt that the lack of documentation was a major weakness. Rather than complaining, he set about trying to fix the problem by writing his own and was soon recruited to the Documentation Team. He switched to Joomla as soon as the split occurred and is now responsible for developer documentation.

Robert Deutz

Location: Aachen, Germany
Timezone: GMT +1
Position: Production Leadership Team
URL: www.robert-deutz.de
Github: github.com/rdeutz
Twitter: rdeutz


Robert founded his consulting company in 2002 and first came in contact with Mambo in 2004 while he was looking for a tool to manage his company website. Like many people he was infected by the open source virus and co-founded Mambo e.V. (later renamed to JandBeyond e.V.) and organised in 2005 the mamboday as community event. At the beginning of Joomla! he was part of the Design & Accessibility Team and later co-created the first beez template.

Between 2010 and 2012 he was an OSM Board member and the Events Team Leader and organised the first Joomla! World Conference. Since 2010 he has also organised JandBeyond - An International Joomla! Conference.

Since Feb 2013 he is part of the bug squad team and helped to organise code sprints in 2013 and 2014. He recently joined the PLT. When he is not sitting in front of a computer he likes cooking and making pictures.

headshot javier

Location: Barcelona, Spain
Timezone: GMT +1
Position: Production Leadership Team


Javier Gomez was born in Barcelona (Spain) and works as Quality Assurance at redCOMPONENT.com. Since 2010 Javier became a board member of Open Source Matters, the non-for-profit that provides organizational, legal, and financial support for the Joomla! open-source project. In 2013 Javier joined the Joomla Production Leadership Team where he volunteers his time to the project.

He became active in the community in 2007 by organizing the first national Joomla! meeting in Barcelona and has participated in several Joomla events in different countries: United States, Chile, Spain, Guatemala, Cuba, Ecuador, Mexico, Germany or Netherlands... he is passionate about the Joomla! community and is focused on enhancing the internationalisation of the project. One of his most known contributions to the project is the Joomla! language installer

headshot david jardin

Location: Cologne (Köln), Germany
Timezone: GMT +1
Position: Community Leadership Team
URL: www.djumla.de
Twitter: SniperSister

Born and living in Cologne, Germany, David got in touch with web development during school in 2002. After a few years working with plain HTML sites, he started to develop his own CMS in 2004 and switched to Mambo shortly after. He quickly became an active member of the German community and met them in person for the first time during JoomlaDay Germany 2006. After school, he started his business as a freelance webdeveloper and quickly got more involved in the community by giving support in the forums, co-organizing the German JoomlaDay and the J&Beyond conference, starting a Joomla Usergroup in his home town, developing own extensions and joining the board of the German Joomla association "J&Beyond e.V.". In 2012, he joined the Bug Squad and started contributing to the CMS code.

In late 2012, he co-founded the CMS-Garden project, which is cooperation of 12 opensource CMS. In the CMS-Garden, volunteers from all participating systems combine their forces to improve their marketing and reach new potential users.

Besides that he's interested in open source sofware, linux, pasta and archery.

Tessa Mero

Location: Seattle, WA, USA
Timezone: GMT -8
Position: Production Leadership Team
URL: tessamero.com
Twitter: @tessamero


Growing up her entire life in Seattle, Tessa received her web application degree and certification and was hired late 2011 at a Ski and Snowboard company creating their manufacturing websites. After being hired, she discovered Joomla! after taking a training course with OSTraining and then attending her first Joomla! Day NYC in October 2011. Since then, she's been very passionate for the Joomla! community and has devoted her spare time with contributing to the Joomla! Project.

She started with helping test patches in the Joomla! Bug Squad and moved to being an assistant manager of the JED (Joomla! Extensions Directory) team, in charge of hiring and training new team members. She recently served a term as a Board of Director for Open Source Matters, Inc.

She is the organizer of the Seattle Joomla! User Group and hoping to share her love and inspiration for Joomla! around her area.

Sander Potjer

Location: Weesp, The Netherlands, Europe
Timezone: GMT +1
Position: Community Leadership Team
Forum Profile: zanderp

Sander’s Joomla passion started back in 2005 by building a Joomla website for his rowing team. Next to his studies Architecture at Delft University of Technology Sander is a Joomla freelancer working on all kinds of Joomla projects.

The involvement with the Joomla community started back in 2008, as co-founder of the local Dutch community www.joomlacommunity.eu. In a short period they established a solid community with an active team of volunteers. The volunteers contribute by providing news, translations, documentation, forum support and by organization the Joomla User Groups (14 in a small country!) and the yearly Dutch JoomlaDays.

He is chairman of “Stichting Sympathy,” a Dutch foundation founded in January 2011 that covers all Joomla activities and promoting the Joomla project in The Netherlands.

Viktor Vogel

Location: Karlsruhe, Germany
Timezone: GMT +1
Position: Production Leadership Team
URL: Kubik-Rubik Joomla! Extensions
Forum Profile: Kubik-Rubik
Github: Kubik-Rubik
Twitter: @viktorvogel


Viktor Vogel lives in Germany and works for the hosting company 1&1 Internet as their Joomla! specialist. For years he has been developing extensions at his project Kubik-Rubik Joomla! Extensions. Viktor is member of the Joomla! Bug Squad and at the System Testing Working Group and he is committed to take Joomla! to major technology events worldwide.

George Wilson

Location: United Kingdom
Timezone: GMT
Position: Production Leadership Team
URL: JoomJunk Extensions
Github: wilsonge
Twitter: @GW1992


George slowly entered of web design during school in 2010 and shortly after he started developing Joomla extensions. In 2011 George found a really annoying Joomla bug which he submitted a fix for and the rest as they say is history. Since then George has been part of the documentation team, the bug squad team and have helped out in many sub groups focussing on code in the CMS and Framework.