Craig Kitterman

Craig KittermanCraig Kitterman is a Senior Technical Product Manager in the Windows Azure team at Microsoft. Craig is responsible for engaging with the global developer community to show & tell, but more importantly to learn and then drive awareness inside of Microsoft as to the practical needs of the community.  Craig has worked for Microsoft for more than 10 years but maintains a passion for Open Source technology and is a huge advocate for seamless interoperability between Microsoft and non-Microsoft technologies.  Craig lives outside of Seattle, USA in the foothills of the Cascade Mountains with his wife and three kids and spends his spare time flying his 1966 Beechcraft Bonanza V35 around Pacific Northwest.

David Coallier

David has been helping startups and enterprises since 2001. As Director of Technology for Echolibre, David drives technical innovation and is responsible for system architecture design and ensuring the high quality production of the company’s clients and internal projects. David is a well known member of the international PHP community. He has previously contributed to the PHP Core and PHP Security Groups and is currently President of the PHP PEAR Group, which maintains the world’s largest repository of reusable PHP modules. He is also the inventor of FRAPI, the RESTful API framework.

David Zülke

David Zülke is the lead developer of the Agavi project, an open source MVC framework for PHP, and managing director at Bitextender GmbH, a Munich, Germany based software company. He has been doing PHP development for more than ten years and regularly speaks at conferences around the world about lovely topics like HTTP, REST, CouchDB, MapReduce and, of course, PHP.

Derick Rethans

Derick Rethans has contributed in a number of ways to the PHP project, including the Xdebug debugging tool, the mcrypt, date and input-filter extensions, bug fixes, additions and leading the QA team. He’s a frequent lecturer at conferences, the author of php|architect’s Guide to Date and Time Programming, and the co-author of PHP 5 Power Programming. Derick works as an independent contractor doing various PHP related jobs while focussing on internals and extensions. In his spare time he likes to travel, hike, ski and practise photography.

Fabien Potencier

Fabien Potencier discovered the Web in 1994, at a time when connecting to the Internet was still associated with the harmful strident sounds of a modem. Being a developer by passion, he immediately started to build websites with Perl. But with the release of PHP 5, he decided to switch focus to PHP, and created the symfony framework project in 2004 to help his company leverage the power of PHP for its customers. Fabien is a serial-entrepreneur, and among other companies, he created Sensio, a services and consulting company specialized in web technologies and Internet marketing, in 1998. Fabien is also the creator of several other Open-Source projects, a writer, a blogger, a speaker at international conferences, and a happy father of two wonderful kids.

Helgi Þormar Þorbjörnsson

Helgi Þormar ÞorbjörnssonHelgi is an Icelander transplanted in Ireland, working as the VP of Engineering and partner at Echolibre, an Irish company that prides it self of helping startups realise their dreams. In his spare time Helgi is a PEAR extraordinaire, author, lecturer and passionate about anything performance related. Currently all his attention is divided between the PEAR installer, Pyrus and FRAPI. Helgi frequently gives talks at various PHP and Web conferences around the world as well as writing articles for print and web magazines alike.

Ian Barber

Ian Barber is the development manager for the Virgin Group digital team in London, a regular conference speaker, and occasional blogger. Ian has been working with PHP since 2002, maintains the PHP Support Vector Machine extension, and is involved with several open source projects, particularly the messaging library ZeroMQ. His site at http://phpir.com covers machine learning, search, natural language processing and other interesting subjects.

Igor Wiedler

Igor WiedlerIgor Wiedler has been a contributor to phpBB for over five years, currently as a core developer. He recently joined the Symfony community and made several contributions to the Symfony2 core. He also became co-developer of the Silex microframework after making some major contributions, including writing the documentation. Igor lives in Winterthur, Switzerland and can be reached via twitter (@igorwesome).

Ivo Jansch

Ivo JanschIvo Jansch is one of the founders of Egeniq.com, a mobile technology company based in Utrecht. He is one of the architects and developers of the Tiqr authentication application for Android and iPhone (http://tiqr.org). Ivo focuses on software architecture and best practices in mobile app development. He has authored 2 books and is a regular speaker at conferences (previous presentations and books can be found on http://www.jansch.nl).

Jeremy Coates

Jeremy CoatesJeremy Coates is Managing Director of Magma Digital Ltd who recently released the PEAR channel aggregator http://pyri.me/ He also is the founder of PHPNW, the PHP user group and conference in Manchester, UK. Jeremy's PHP experience spans over 13 years from small business to enterprise and he has integrated PHP with everything from mainframe systems to more modern APIs. His passion is for increasing professionalism within the web sector and encouraging developers to challenge themselves daily. To that end, his most recent venture is the launch of Codejo (Coding Dojo), a hands-on event where developers learn coding approaches or Katas to improve their skills.

Jeroen Keppens

Jeroen KeppensJeroen Keppens has been passionate about PHP and MySQL for over 10 years now. He has worked for various big online companies in the stock trading, gambling and telecom sector. The past few years, he held positions with mixed responsibilities as team leader, senior developer and scrum master. Jeroen is a Zend and Zend Framework Certified Engineer and certified MySQL5 developer. He likes to share his experiences with Zend Framework, MySQL, etc… on his blog.

John Mertic

John MerticJohn Mertic is a software engineer at SugarCRM, and has several years of experience with PHP web applications. At SugarCRM, he has specialized in data integration, mobile and user interface architecture. An avid writer, he has been published in php|architect, IBM Developerworks, and in the Apple Developer Connector, and is the author of the book ‘The Definitive Guide to SugarCRM: Better Business Applications’. He has also contributed to many open source projects, most notably the PHP project where is the creator and maintainer of the PHP Windows Installer.

Jordi Boggiano

Jordi BoggianoJordi Boggiano is the author of a few open source apps/libs (Slippy, php-console, Monolog, ..), and frequent contributor to other OSS projects (Symfony2, Twig, Doctrine2 and others). He has been involved in web development for about 10 years, working mostly with PHP and JavaScript, and has recently jumped the shark and created his own company, Nelmio. You can find his blog and contact details on http://seld.be.

Juozas Kaziukėnas

Juozas KaziukėnasJuozas Kaziukėnas is a software developer and consultant from Lithuania, currently living in Edinburgh, UK where he is studying for a Computer Science degree. Having worked with web projects from small to enterprise size, he likes to share his experience at conferences worldwide and on his personal blog. Juozas also contributes to open source projects including Zend Framework and Doctrine, where his aim is to improve support for different environments such as Windows.

Kore Nordmann

Kore NordmannKore Nordmann graduated in 2010 with a degree in computer science (University).He managed and manages different open source projects, like Arbit, PHPillow,VCS-Wrapper and others. Some of them can be found on his website, on Ohloh orgithub. During the last years he presented on national and internationalconferences and published several articles and books. In 2010 I founded theQafoo GmbH - passion for software quality - together with Tobias Schlitt andManuel Pichler, in which he provides Consulting & Training aiming for bettersoftware quality.

Lukas Kahwe Smith

Lukas Kahwe SmithLukas spends most of his time playing with Symfony2 as well as pushing the PHPCR ecosystem and dabbeling in database technology in general. He also maintains several Symfony2 bundles. In the past he has co-managed the PHP 5.3 release, created the PEAR Group and developed several popular PEAR packages. When not coding he is busy beating up his body playing ultimate frisbee.

Marcel van Brakel

Marcel van BrakelFor the last 10 years Marcel van Brakel is developing websites and applications in PHP. With a personal focus in Open Source PHP solutions and a business focus on tailor made web applications he get’s joy out of combining to best of both worlds. Besides programming, his professional interest lies in the dynamics of the development teams. How do developers work together, how do they communicate with the rest of the company and what can or should be improved. When not coding he can be found in the online console gaming communities, getting rid of frustration through some good old FPS.

Mathias Bynens

Mathias Bynens is a freelance web developer from Belgium. He collaborates on open-source projects such as jsPerf and HTML5 Boilerplate, and likes to research quirky browser behavior.


Matthew Weier O'Phinney

Matthew is Project Lead for Zend Framework, and has been contributing to the project since before the initial preview release. He is an advocate for Open Source Software and regularly blogs and speaks on Zend Framework and PHP best practice topics.

Nick Belhomme

Nick BelhommeWith more than 11 years in professional web application development Nick Belhomme has contributed in a number of ways to the PHP Community. He is a domain-driven design enthusiast and his consulting focus is the design and construction of enterprise applications. Currently he works as an independent contractor and consults the PHP team at Belgium’s premium telecom operator Belgacom. He speaks and is frequently found at conferences. He authored several articles and currently is working on a book. In his spare time he likes to travel, take hikes with his lovely wife and loves nature.

Patrick Allaert

Patrick Allaert is a freelance system engineer and founder of Libereco Technologies, a Brussels based company specialized in PHP services. Using PHP since the early days of PHP 3, he is contributing/hacking on a wide variety of projects including PHP, eZ Publish, Linux and KDE. In his spare time, he also works on the PHP monitoring extension: APM for which he is the lead developer. Those activities doesn't give him much more time to blog or to tweet (@patrick_allaert).

Rowan Merewood

Rowan MerewoodRowan Merewood is a Software Engineer with Ibuildings living in Sheffield. He’s been working commercially with PHP for over 4 years, with particular experience in the ISP industry using the language for everything from simple web pages up to large scale billing applications. Before PHP he was working with Python and Java and holds a Master’s degree in Software Engineering. Outside of the office, Rowan manages to make a semi-regular trek over to the PHPNW meet-ups and you can also find him on Twitter as @rowan_m or view the occasional experiment on his blog at merewood.org.

Sebastian Marek

Sebastian Marek has nearly 10 years of experience in PHP. He’s a Software Architect at Plusnet a Sheffield-based ISP, now part of the BT Group. During his 5+ years journey with Plusnet, he has migrated a multi-gigabyte codebase from CVS to git, helped set up the continuous integration environment as part of a long-term drive towards Test-Driven Development and is currently working on tools to support automated software deployment and continuous integration platform. Seb has a deep love for git and in his free time he occasionally contributes to opensource software like PHPUnit, phpUnderControl and Sonar. He’s also a medieval ‘freak’ who wants to live in a castle and wear full plate armour.

Sijmen Ruwhof

Sijmen RuwhofSijmen Ruwhof is expert op het gebied van website beveiliging en tevens eigenaar van Secundity. Secundity heeft zich gespecialiseerd in het uitvoeren van beveiligingsaudits op webapplicaties.

Stephan Hochdörfer

Stephan Hochdörfer is co-founder and department manager of Research Labs at bitExpert AG in Mannheim, Germany. His primary focus is web development with PHP and generative programming techniques.

Tobias Schlitt

Tobias SchlittTobias Schlitt has a degree in computer sience (German “diplom”) and works for more than 10 years in professional web projects on basis of PHP. As an open source enthusiast, he contributes to various community projects. Tobias is a co-founder of Qafoo GmbH (http://qafoo.com), which provides services all around high-quality PHP development. This includes for example consulting and training on quality assurance and professional programming, as well as technical support for several PHP QA tools.

Tom Van Herreweghe

Tom Van HerrewegheTom is an all-round web developer with little over 10 years of experience between his first HTML page and his current position at DX-Solutions. He has a very strong passion (and preference) for anything PHP and Javascript related. Coming from an age without jQuery, he knows how to handle raw Javascript, and even finds pleasure in doing so. Tom is driven by a desire to constantly evolve and bring his skills to the next level. This brings him to conferences all around the world, and PHPBenelux meetings all around the country. When he's disconnected from the Web, he enjoys practicing his Ju-Jitsu skills, listening to music and playing couch potato.