Christopher Riley

Chris is a freelance consultant based in York, Uk with experience working in the public sector, small and large companies throughout North Yorkshire. Chris has over 10 years experience with PHP and has a keen focus on both software architecture and none functional requirements such as security, performance and maintainability. In his free time, Chris can often be found producing or playing with experimental libraries and contributing to Zend framework.

David McKay

David McKay is a software and technology professional, born and bred in Glasgow, Scotland.

As a serial user group organiser, organising Cloud Native Glasgow, Docker Glasgow, DevOps Glasgow and Pair Programming Glasgow, David is always searching for new and creative ways to share knowledge with others.

Oh, and he quite likes domain-driven design, micro-services and clean code.

Gary Hockin

Gary Hockin is a Senior Developer at the BBC working on the Audiences team. He is a talented and evocative speaker, a cultivated author of impressively entertaining blog posts, and records elegant and informative screencasts and videos. Gary’s also a contributor to the Zend Framework and is argumentative enough to be on the community review team.

Gary’s a developer of at least “competent” standard with nearly 20 years experience developing applications. When not developing, speaking about developing, reading about developing or writing about developing, Gary enjoys playing computer games and arguing with his wife and two kids. Gary has recently discovered that conferences ask speakers to write their own biography text, and you can get away with writing pretty much anything you want.

Jeroen v.d. Gulik

Jeroen is co-founder of Isset, software architect, consultant, coach and occasional speaker. Often brought in at large companies to enable change and innovation projects. His company specializes in video streaming/transcoding and publishing platforms. Co-organizer of DDDNL and boardgames enthousiast. He also likes cats and penguins.

Matthias Noback

Matthias Noback has 15 years of experience in web application development. He is the author of [A Year With Symfony](https://leanpub.com/a-year-with-symfony), [Principles of Package Design](https://leanpub.com/principles-of-package-design/) and [Microservices for everyone](https://leanpub.com/microservices-for-everyone/). While always striving for better programming practices in general, he’s taken a special interest in application architecture, Domain-Driven Design, testing, microservices and application integration patterns.

Michael Bodnarchuk

Michael is a passionate PHP/Ruby/JS web developer from Kyiv, Ukraine. By wanting to make his products stable he started to use automated testing in his projects but couldn’t get along with any of testing framework so he developed his own PHP testing framework – Codeception. Now Michael maintains various popular opensource projects and aims to popularize testing. “Testing should be fun” – is his motto. Speaker of SymfonyCampUA (2014, 2015), PHP Framework Days UA (2013-2015), DevConf Moscow (2014), PHPKonf Istanbul (2015), RSConf Minsk (2016), J&Beyond Barcelona (2016), Dutch PHP Conference 2016, and various meetups.

Miro Svrtan

I started using PHP as a student, back in 1999. At first I worked as a one man band web developer and from there I progressed, via focusing on PHP development in a team environment, to be a senior dev, tech lead & technical analyst.

I found much more happiness doing backend stuff so I focus on scalable backends and DevOps tasks this days.

Tobias Nyholm

Tobias is an open source enthusiast and has spent many years trying to bring something good to the community. He is a Symfony core team member, co-host of the Sound of Symfony podcast, organizer of Swedish PHP meetups. He maintains projects like httplug.io, guzzle, buzz, php-geocoder, KnpGithub API client, Maingun API client, LinkedIn API client, Neo4j bundle, Puli, Assert and many more. He is also involved with the PHP-FIG by writing a PSR for HTTP clients.