Our speaker community

Arthur Doler
Arthur Doler - Senior Software Engineer @ Aviture

Arthur (or Art, take your pick) has been a software engineer for 16 years and has worked on things as exciting as analysis software for casinos and things as boring as banking websites.

He is an advocate for talking openly about mental health and psychology in the technical world, and he spends a lot of time thinking about how we program and why we program, and about the tools, structures, cultures, and mental processes that help and hinder us from our ultimate goal of writing amazing things.

His hair is brown and his thorax is a shiny blue color.

Ayesh Karunaratne
Ayesh Karunaratne - freelancer PHP/Drupal Web Developer
Ayesh Karunaratne is a freelance software developer with a passion for software performance, architecture, security and street food. He maintains a few security-related plugins for Drupal/Wordpress, and has discovered vulnerabilities in open source software too. 
Balazs Janos Tatar
Balazs is known as tatarbj, lives in Brussels, Belgium. His current role is at the European Commission is an IT Security Analyst and Open Source Security Correspondent, also a security researcher and contributing to the Open Source communities.
Diogo Constantino
Diogo Constantino - Software Development Specialist & Community Builder @ Findmore Consulting

Diogo is a GNU/Linux user for 18 year, a developer and developer environment professional with knowledge of systems administration, networking and a keen interest on security and privacy. He's specialized in Free Software/Open Source Technologies.

Apart of being member of many organisations, he is the community manager in Ubuntu Portugal Local Community. He contributes as marketeer, social media manager, developer evangelist, and other ways for the UBpots community and Foundation. The community that develops an Ubuntu based operating system

Drew Webber
Drew Webber - Principal Security Analyst @ Acquia

Drew's been a geek for longer than he cares to remember, an active member of the Drupal community for over a decade, is a Member of the Drupal Security Team, has contributed to core and is the (co-)maintainer of several contrib modules. He is a Principal Security Analyst in Acquia's Incident Response Team.

Eirik Morland
Eirik Morland - Senior Developer @ NyMedia

Eirik Morland is a team leader and senior developer working in Ny Media, Trondheim, Norway. He is very lazy, which is why he also founded the update automation platform violinist.io.

In addition, to have a dedication to open source, he is a beer geek and home Brewer. And obviously the recipes are all open source!

Joan van de Swaluw
Joan van de Swaluw - Managing Consultant @ Glasswall

Joan is the Managing Consultant at Glasswall BV, a Dutch-based cybersecurity company specialized in creating security awareness and new insights. We do this by supplying our customers with actionable information, learning through new experiences and the fruits of specialized tooling.

Kalin Chernev

Kalin has been in the web development business for a bit more than a decade. Having experience from various roles and types of businesses he's nowadays freelancing.

Apart from everyday software development, he's still helping his friends and relatives to keep their online identities secure because the biggest vulnerabilities are still related to human actions or in-actions.

His session will cover the basics of how to keep our online identities safe and how to plan for recovery before the s*** hits the fan.

Lawri van Buël
Lawri van Buël - Software Quality Assurance @ 040lab

Lawri van Buël is a long time user and promoter of Open Source, starting at his time with Studie vereninging (Studie association) Overflow and its dispuut (sister association) Interlink (source of the InterLinkSearchEngine or ILSE.nl once upon a time).

After graduating from the Fontys Information Technology, he worked as a software test engineer for Philips Research.

Maria Totova
Maria Totova - Developer @ Trio Group

Maria Totova is a Drupal developer at Trio-Group, a core engineer, education manager & instructor at Coding Girls, a co-founder of Drupal Girls and a board member of Drupal Bulgaria.

Her passion for studying both arts and science has defined her professional path. Maria holds a BA in English Language and Literature and an MS in Software Engineering.

She enjoys programming and teaching and goes to work with a smile every day. When Maria is not glued to a computer, she loves traveling and spending time with her family and friends.

Max Madl

Max is the CTO and Co-founder of App Guard, a SaaS for Update Automations. He is a passionate business computer scientist and his focus turned to Open Source technologies that he loves to talk about - you can meet him in Drupal events all around the globe.

Preston So
Preston So - Principal Product Manager @ Gatsby


Preston So is a product strategist, innovation lead, developer advocate, researcher, speaker, and author of Decoupled Drupal in Practice (Apress, 2018).


A globally recognized voice on decoupled Drupal and subject matter expert in areas including the decentralized web and conversational design, Preston is Principal Product Manager at Gatsby, where he works on improving Gatsby’s developer experience, evangelizing its ecosystem, and enabling product development.

Rodrigo Panchiniak
Rodrigo Panchiniak - Software IT Architect @ European Dynamics

Mr. Rodrigo Panchiniak Fernandes is an experienced Drupal Developer with 10 years of engagement in the Drupal.org community, having contributed with a patch to the Drupal 8 core and several sandboxes modules and one full project (proc).
He is always up to date on new technologies and advocates the use of the same within a scenario that does not harm the progress of the company.

Sawssen Bardaoui
Sawssen Bardaoui - Customer Solutions Architect @ Platform.sh

Sawssen Bardaoui, Customer Solutions Architect, one of the first female engineers to join Platform.sh. Having helped onboard and support hundreds of companies and organisations, Sawssen has often been recognised for her impeccable customer service.

Tiago Mauricio

Tiago currently works as a DevOp but with a system administrator mind, has been an avid Linux user for about 15 years and an administrator for half that time.

Also likes photography and electronics and the occasional beer.