Speakers

I've been working as a .NET developer for over 16 years now in a variety of industries including government, retail and manufacturing. But I've been hacking around with computer code since I was old enough to read my Dad's copy of the ZX Spectrum BASIC coders manual. I've been speaking about Functional C# at various user groups and conferences around the UK, USA, Europe and Australia and am particularly interested in seeing just how far we can push C# without breaking it. In 2023 I released my first technical book: "Functional Programming with C#", published by O'Reilly Media. When I'm [...]

Sasha is an experienced software developer with a rich background, in IT for more than 20 years. He worked with different stacks in backend, frontend and mobile fields, but since 2018 his main interest is Flutter. Sasha also has deep expertise in Firebase and Generative AI area, enhancing his capabilities to create robust, intelligent, and scalable applications. Sasha is a Chief Software Engineer and Head of Flutter Discipline in EPAM. Also, he is Flutter and Dart GDE and Co-Organizer of Flutter Berlin community.

I've been a backend developer for around twelve years, first in Java, then PHP and more recently in Go. I've worked in companies of all sizes: from a 400-person company to a 15-person startup, then scale-ups like Lydia, Ornikar and now NIQ.

Mike has been working in web application development for 14 years, including time as a CTO and startup founder. The journey has taught him a lot about how teams grow together, ways to build resilient software systems, and how we need to understand the impact of what we build on the world around us. He's passionate about sharing this experience with the wider software & business communities, mentoring the next generation of engineers & entrepreneurs. He also has a deep dislike of printers.

I'm a software developer with over 20 years of experience working with PHP and web technologies. I'm interested in web publishing, content extraction and conversion, and the web standards, technologies, and formats related to those areas.

Gary Hockin helps businesses build with confidence as an associate at Roave. 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 Laminas project and is argumentative enough to be on the community review team. When Gary had a real job, he was a developer of at least "competent" standard with over 20 years experience. When not developing, speaking about developing, reading about developing or writing about developing, Gary enjoys playing computer games and arguing with his two kids. Gary has [...]

As CTO of Square1, a leading digital agency in Dublin, I bring 20+ years of experience building high-traffic applications across Europe. I’ve led teams, shaped products, and navigated the challenges of transitioning from developer to manager. An international speaker, I’m passionate about sharing insights on technical leadership and the evolving world of software development.

As the Technical Evangelist at Varnish Software, Thijs Feryn focuses on web performance, software scalability, and content delivery. He demonstrates content-driven and technical messaging through presentations, videos, books, blog posts, social media posts, podcasts, and other media. Thijs is a published author and wrote Getting Started with Varnish Cache and Varnish 6 by Example. As a public speaker, he has a track record of over 360 presentations in 25 different countries, where he is often praised for his energetic and engaging presentation style. As an evangelist, Thijs is also active in many open-source communities, most notably the Varnish and PHP [...]

20+ years of architecture and development experience. Serverless Freak and AWS Community Builder.

Hugo Hamon is a PHP and Symfony certified developer. He worked nine years for SensioLabs, the creators of Symfony, as a Web developer, head of training and software architect. He joined Dayuse.com as a backend lead developer between 2018 and 2020. He's now a full time freelance PHP developer at his own company KODERO

Running web applications should be simpler. I work on open-source projects like Bref, courses like Serverless Visually Explained, as well as tools making serverless more accessible. I also help dev teams and startups looking to build a scalable and robust infrastructure.

Sergès Goma is a Paris-based software developer specialized in JavaScript. When she's not fixing codebases, she gives motivational speeches mostly aimed at junior and would-be developers as well as participating in the tech women's empowerment online community Motiv'Her.

Derick Rethans is a PHP internals expert and author of Xdebug. He works as an independent contractor and consultant on PHP extensions and related projects. He works for the PHP Foundation to improve PHP, and continues to contribute to the PHP project in numerous forms (Date/Time Extension, Xdebug, PHP 4.4/7.4 Release Manager, etc). He is 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.

Alexandre is a Symfony Lead Developer and Developer Advocate based in Lyon, France. As well as giving talks at official Symfony events, Pimcore, PHPers and Malt Academy, Alexandre's involvement in the PHP world was strengthened by contributing to PHP and Symfony's source code and documentation. He then continued this dynamic by joining Sensiolabs (the company that created Symfony), as well as writing his first book, "Clean Code in PHP" in October 2022.

A 22-year-old CEO, Python programmer, and ethical hacker.

Backend Team Leader and Branch manager @Netgen. PHP/Symfony developer, graduated Informatics at Faculty of Electrical Engineering, Computer Science and Information Technology Osijek. Doing web stuff for 6 years. Slavonia evangelist.

Developer Advocate, author of stitcher.io, host of PHP Annotated, creator of Tempest.

I'm Max. I live in Yerevan, Armenia, but I'll be relocating to Barcelona, Spain, by the time of the conference. I have decades of experience in IT, primarily focused on programming in PHP and running Unix servers. For the past six years, I've been working at Manychat, a leading chat-marketing platform, where I combine the roles of an Infrastructure Engineer, SRE, and developer, optimizing our systems and ensuring reliability. Manychat sponsors the PHP Foundation and plays an active role in driving the local PHP community in Barcelona.

https://www.linkedin.com/in/berrylangerak/

When not working on clubzero.co, smartmessages.net, supporting 1CRM at syniah.com, writing & pentesting for Radically Open Security, or acting as a DPO, I'm the maintainer of PHPMailer, a top-10 PHP project on GitHub, and probably the world's most popular email sending code. I'm a contributor to many other open-source projects, and I wrote the HTML5 email address spec. I'm an accomplished PHP coder, Linux sysadmin, technical writer, and MySQL DBA. I'm a strong advocate of digital rights and privacy - I love GDPR! I've been speaking at technical conferences in Europe and around the world since 2006. I live in [...]

I am Mathieu Lamiot, a France-based tech-enthusiast engineer passionate about system design and bringing brilliant individuals together as a team. I dedicate myself to Tech & Engineering management, leading teams to make an impact, deliver value and accomplish great things.

Solutions Architect working on large-scale AWS deployments, while maintaining a Wordpress site on the cheapest shared hosting I could find.

Florian is married with five kids and he likes to play table tennis 🏓, table football ⚽, chess ♟️, and MTG. He is also a software engineer and builds a PHP profiler at Datadog. He started writing small software on an IBM PS/2 30 286 in GW-BASIC back in 1993, throughout the 90s he learned HTML, JavaScript, Perl, C, and a bit of Assembler. It was September 2000 when he was introduced to PHP and he thought nobody would ever need it, but boy he was wrong. In his spare time (and with five kids you do not have that [...]

Fabrizio is an Italian freelance software developer living in Spain. With 25 years of experience he has a long history of participation in the PHP open source world, as a contributor, maintainer, advocate and speaker. Mostly active in the Magento ecosystem (one of the most known ecommerce plaftorm) he was speaker in many tech conferences around Europe and maintainer of OpenMage (community fork of Magento1) and now founder of MahoCommerce.

Passionate about mathematics and logic, I am a backend developer with a Computer Science Engineering degree and international speaker since 2020. Argentinian and Spanish, I lived in many countries and speak five languages. I strongly believe in diversity in tech and started giving conferences to act as a role model for women. Outside work, I love dancing, and travelling and have two wonderful cats. I have been giving conferences since 2020 in French and English (but also speak Spanish and Portuguese). I have been to major events like SymfonyCon, SymfonyLive, ForumPHP among others. Check my personal blog for full references [...]

Danny is a Technical Lead at Infi, a digital agency based in Utrecht. He loves building PHP applications and delivering value to clients with his team. In addition to client work, he enjoys contributing to and maintaining open source software.

Peter Eijgermans is a long-time software developer and an adventurous and passionate CodeSmith Frontend at Sopra Steria. He likes to travel around the world with his bike. Always seeking for the unexpected and unknown. For his job he tries out the latest techniques and frameworks. He loves to share his experience by speaking at conferences all over the World and writing for the Dutch Java magazine, Medium and DZone. He believes that you as the front-end developer are the spider in the web to bring the user, the team and the product together.

Maximiliano Firtman is a mobile and web developer, trainer, speaker, and author of 14 books, including latest titles "Hacking Web Performance" (O'Reilly Media) and "Learn PWA!" (Google). A frequent speaker at international conferences, he's a recognized figure in the mobile and web community. Maximiliano has created over 35 web and app development courses for platforms like Frontend Masters, Pluralsight and LinkedIn Learning, and teaches workshops on a range of topics including mobile (Android, iOS), web app development, performance, and applied AI.

Daniel has been developing with PHP in a large variety of projects for around 20 years during which time he created PHPBench and the Phpactor Language Server. He cycled over most of the EU, plays the piano badly and writes bad TUI applications in Rust.

Damien Seguy CTO at Exakat SAS., a company specialized in PHP code quality solutions for the industry. He leads the development of the exakat PHP static analysis engine, that automatically audit code for version compatibility, security and dead code. Since last millenium, Damien has contributed to PHP, as documentation author, elephpant breeder, conference UFO on all continents. He also enjoys machine learning, gremlin, 狮子头 and camembert.

Software Architect

Like you, Pim is on a quest to do things a little bit better every time. As a scrum developer, he has extensive experience with solid coding, patient mentoring and tackling big projects using Domain Driven Design. Presentations by Pim are always fun, engaging and conversational. But don't fret; if you just want to listen and let others speak, it *will* be worth your time. Pim has joined Superscript in 2022 where the complexities of tech and insurance meet each other in the <3 of software.

Arne Blankerts has already dealt with computers when networking was still an adventure. As long-standing head of development of an internet agency, he has created solutions far ahead of the times already years ago. As Co-Founder and Principal Consultant of The PHP Consulting Company (thePHP.cc), Arne helps his clients to develop software successfully. He is author and maintainer of various Open Source development tools, and is a regular presenter at conferences. In his free time he reads fantasy novels and likes to cook.

As a digital consultant, Willem focuses on understanding end user behavior in combination with complex business processes to find suitable digital solutions. With his studies in Statistics & Data Science, the theory behind Machine Learning helps in spotting opportunities and choosing the appropriate model for any situation.

Vladas Diržys has worked at Sportradar for 14 years, specializing in Live Data. He started as a tech and team leader and now serves as a Tribe Architect. Professionally, Vladas is interested in topics like Domain Driven Design, Event-Driven Architecture, Event Sourcing, Java, and Kotlin.

As a UX Consultant, I bridge the gap between people and technology with strategic insight and genuine passion. Drawing on my expertise in understanding user needs, business objectives, and technical possibilities, I craft innovative solutions by asking the right questions and gaining deep insights into complex challenges. Beyond my consulting work, I'm an international conference speaker and champion diversity in tech as a Google Women Techmakers Ambassador and Hacker School Inspirer.

Toni Van de Voorde has over 20 years of experience in web development. For the past 5 years, he has specialised in serverless development, leveraging TypeScript and AWS to build scalable, cloud-native solutions. He has contributed to projects like The Content Exchange and played a key role in the digital transformation of GLS Belgium, utilising serverless architectures to drive innovation. As a Lead Developer and SRE at Ibuildings, he is responsible for evolving and maintaining the company’s cloud infrastructure while promoting best practices in development. He is also a proud crew member of the Dutch PHP Conference, where he has [...]

Neel is a tech enthusiast, blogger, writer, speaker, and solutions architect. He has 10 years of professional experience. Apart from being a developer, he is an award-winning tech blogger. He likes to stay up-to-date with the latest technology stack, and he likes to share his knowledge with the community. He often arranges RTL meetups to share knowledge. He is a DZone MVB and Top 4% overall on the StackOverflow site. You can find him at his site: https://neelbhatt.com

Ramona is a software engineer and public speaker with a passion for creating inclusive and accessible applications. She likes to spread awareness about this topic and hopes to inspire people both in her daily work and by taking the stage whenever she gets the chance.

I'm an experienced web developer and a passionate IT and electronics trainer, specializing in frontend development and enterprise applications built with Angular. I spend most of my time exploring what's new in the tech world and helping other developers improve their skills. As a conference speaker, I bring advanced Angular topics, tips for the integration of smart contracts and best solutions for web3 applications.

Kræn is a Senior Software Engineer at MongoDB, building developer tools, such as Compass and the mongosh CLI. Previously contributing primarily to Atlas Device SDKs (formerly Realm) and its related packages (combined ~60K weekly downloads on NPM). He holds a masters degree in Computer Science from the Technical University of Denmark and has built and maintained multiple TypeScript libraries and React apps. Kræn lives 30 minutes west of Copenhagen, with his wife, their 6-yo twin girls and 2-yo baby girl.

Melinda is an engineering leader and conference speaker with over 10 years experience of working with and managing teams of developers & managers and conference speaking. Since 2014, she has helped engineers, designers and product managers with their public speaking skills, through speaker coaching, workshops and talks about public speaking. She also works together with engineering leaders and engineering managers on how to build up internal employee evangelism & culture within their teams.

https://www.linkedin.com/in/koen--aerts/

Josefine currently works as an Accessibility Engineer at Storyblok. She is also a Google Developer Expert for Web, ambassador for Women Tech Makers and GirlCode. She cares deeply about DE&I in the tech industry and beyond and is passionate about all things frontend, inclusive communities and web accessibility. She is also an aerial acrobat, dance teacher and cat mom. She is based in Hamburg, Germany, and travels the world talking about Web Accessibility.

Creative developer Jorrik bridges the gap between design and functionality. With 8+ years in front-end, he's now exploring AI's potential. At Sopra Steria, he builds innovative web solutions and shares his tech journey through public speaking.

🏆 Top Stack Overflow

Daniel is a Senior Developer Advocate at Weaviate - an open-source vector database. He spends a lot of his time curating music and writing (about) software. He is passionate about creating value through software online and working with developers

Christian is a freelance fullstack developer and Microsoft MVP writing code in languages like Java, Kotlin, Typescript and Javascript. He's been working as a software engineer since over a decade. He loves learning from others and sharing his knowledge.

Brecht De Ruyte is a self-taught front-end developer located in Belgium with a passion for UX and Design. During the day you can find him working at iO, a full service agency. Besides that, he is also a Google Developer Expert, Smashing Magazine writer and blog owner of utlitybend.com. He also participates in the W3C community: Open UI.

Chapter Lead with extensive experience in building, managing, and optimizing technology solutions. I am passionate about driving innovation, particularly within the realm of software engineering and AI. I have a strong background in building resilient and scalable distributed solutions, ensuring robust architecture and maintainability. My focus on data-driven insights has equipped me to anticipate challenges in system reliability and distributed computing. Currently based in Amsterdam, I lead a talented team, balancing technical excellence and strategic vision to meet the dynamic needs of a fast-paced industry.Together we are building a scalable next-generation contact center solution at ING using Twilio, Google Dialogflow [...]

Carly is a Principal Developer Advocate & Manager at Elastic, based in London, UK. Before joining Elastic in 2022, she spent over 10 years working as a technologist at a large investment bank, specialising in front-end web development and agility. She is a UI developer, who occasionally dabbles in writing backend services, a speaker and a regular blogger. She enjoys cooking, photography, drinking tea, and chasing after her young son in her spare time.

Fullstack Developer at Medicare && Organizer/Host for LaraconEU

Anayo Oleru is a Software Engineer, Software Solution Architect, and Google Mobile-web Mentor based in Cardiff, UK. He has spoken at various international tech events, both live and online, including multiple JavaScript conferences in London, focusing on Security, Architecture, ML/AI, and JavaScript on the server and the web. Anayo is a recent first-class Computer Science MSc graduate, and he is passionate about sharing knowledge and connecting with fellow speakers and attendees. In his free time, he enjoys reading and writing short stories which he publishes on Amazon Books.

Tomas loves PHP and connecting people, so he founded Czech & Slovak PHP Community [Pehapkari](https://pehapkari.cz) in 2015, where all PHP developers can share their knowledge, chat on Slack or grab a beer. His **passion is open-source for lazy people** - instant upgrades and coding standards. He takes care of [Rector](https://github.com/rectorphp/rector) and [EasyCodingStandard](https://github.com/Symplify/EasyCodingStandard) packages.

I am an Android Developer, working in and around IT since 2013. Java-trained with full stack interests, but now fully embracing Android. Come talk to me about creating an accessible app for all, Compose and fun team outings.

A developer that is curious to understand how things work. Has around 10 years of experience, loves coding, making things, and breaking things, and also likes to help teams work better together.

Robin is an enthusiastic developer with experience on both smaller and bigger projects. He loves to work with different cultures and languages, and all issues that arise from that. Whenever he gets the chance, he’ll happily tell you all about it!

A graduated Computer Engineer, Rafael Dohms has vast experience in the PHP ecosystem as a Developer, Speaker and Contributor. Addicted in building communities he has founded various groups where ever he lives, currently he is to blame for AmsterdamPHP. Developer by career but teacher by vocation he travels the world sharing interest in quality code, innovation and building careers. In his free time you will likely find him gaming or contributing to open source projects. His contribution hit list includes many projects, from PHP itself to frameworks like Symfony, Zend and projects such as Doctrine and Composer. His hobby is [...]

Between having a family life, doing several radio shows and podcasts for Dutch radiostation KINK and attending (online) conferences and usergroup meetings, Stefan tries running a company called Ingewikkeld. Having worked with PHP and several of its open source products since the late 90s, he still likes it for getting the job done.

James is a consultant, trainer and developer at Roave, working in software for over 20 years. His goal is to improve the quality of software products that teams deliver.

Senior web developer. At Netgen for the past 10 years. Team lead. Project(s) Tech lead. The annoying one with all the rules. Likes code same as cars - 15 years old and barely working.

I'm Gina Peter Banyard I'm a PHP Core dev paid by the PHP Foundation. I also maintain the PHP Documentation and lead translator for the French translation of it.

He loves all things Open Source and strongly believes in empowered, effective engineers. Martijn has worked in small teams on infrastructure for the last twenty years and seen the good, as well as the bad sides of agile and devops.

Juliette Reinders Folmer is an opinionated, passionate busy-body with a prolific portfolio of contributions to various high profile open source projects over the years. She is co-author of PHPCompatibility, initiator of PHPUnit Polyfills and created the PHP Cheatsheets. Juliette regularly speaks at conferences and is always happy to discuss how we can all contribute to changing both the dev-culture as well as our code, to be _better_. Juliette is self-employed and based in the Netherlands.

PHP developer since 2004, working on API's in Symfony since 2016

Software architect by profession but mathematician by education, Arnout has his interests on the boundary between the two, where formal modelling and logical reasoning meet practical problems and pragmatism. He works at Moxio, where he solves complex information management problems with innovative software, and aims to grow a culture of learning and quality. In his free time he contributes to a number of open source projects, like PHP_CodeSniffer, Symfony and the PHP core, and maintains a number of packages himself.

Ondřej is a full-time open-source software developer. He likes pointing out mistakes in other people's code so much that he created PHPStan, a popular static analyzer that focuses on finding bugs in code without running it. He shares his experience at conferences across the world, offers his expertise as a consultant, and organizes trainings.

With 20+ years of experience in web development, he has seen technologies come and go. He has done work in multiple languages but he specializes in backend development in PHP. As a lead engineer, he values communication above technical specialization. He enjoys the puzzle of a piece of code and the fact that there's always more solutions to be found for a problem.

Mark Niebergall is a security-minded PHP Senior Software Engineer and Team Lead at a cybersecurity software company, with many years of hands-on experience with PHP projects. He is the Utah PHP User Group Co-Organizer, a regular conference speaker, and a PHP-FIG Secretary. Mark has a Masters degree in MIS, is CSSLP and SSCP cybersecurity certified, and volunteers for (ISC)2 security exam development. Mark enjoys endurance sports, being outdoors, and teaching his five sons about writing code.

Nic Wortel is an independent software consultant and trainer. After working as a software engineer for over 10 years, he started to offer consulting and training workshops to help other teams improve their software development processes. From time to time, he speaks at meetups and events about Agile software development, DevOps, and related topics.

Tejas Chopra is a Senior Software Engineer, working in the Data Storage Platform team at Netflix, where he is responsible for architecting storage solutions to support Netflix Studios and Netflix Streaming Platform. Prior to Netflix, Tejas was working on designing and implementing the storage infrastructure at Box, Inc. to support a cloud content management platform that scales to petabytes of storage & millions of users. Tejas has worked on distributed file systems & backend architectures, both in on-premise and cloud environments as part of several startups in his career. Tejas is an International Keynote Speaker and periodically conducts seminars on [...]

I'm Shruti Balasa, a full stack web developer and a Tech Educator from India. I like to make web development simple for beginners through my courses, Youtube tutorials and eBooks. Some of my latest courses include "Laravel 9.0 Essentials" and "Advanced Laravel" on LinkedIn Learning and "CSS Grids Simplified" and "CSS Flexbox Simplified" on Laracasts. I'm a Tailwind CSS evangelist with most of my Youtube videos dedicated to help beginners learn the framework. I'm an author of two eBooks "Complete Guide to CSS Flex & Grid]" and "Level up with Tailwind CSS" with a combines sales of 1800 across 80 [...]

Rowdy Rabouw is a Google Developer Expert in Web Technologies with over 25 years of experience in HTML, CSS, JavaScript and PHP. Currently, he is a Front-End Focused Senior DevOps Engineer working on Vue.js and Node.js projects with special attention for accessibility. Rowdy loves watching superhero movies and Formula One races and enjoys riding on his mountain bike to unwind.

Hey world ! I'm Marcy Ericka, a social tech writer, content strategist, founder of Merci Marcy and The Safe Place. I'm a former editor-in-chief of WeLoveDevs for 2 years. I was the first woman hired there. Yes, on top of that, I was the first racialized and LGBTQIA+ woman. I quickly realised that few people like me are represented in tech. I then chose to take a more committed stance to promote diversity by breaking through the pretense of corporate values. To sum up my journey : I am an advocate for creating real cohesion within teams, enabling them to [...]

Lily is a senior software engineer on the profiling team at Datadog. Prior to Datadog, she was on the frontend infrastructure team at Slack. She has 8 years of frontend development experience. She started her career in San Francisco, but now resides in Paris with her family.

Lianne is an award-winning cyber anthropologist and security transformation leader with experience in the retail, healthcare, finance, private and non-profit sectors. Her consultancy, The AnthroSecurist, enables teams in complex organisations to understand each other’s motivations, identify barriers that have prevented good security practices in the past, and provide practical steps and insights to increase collaboration between the security team and the rest of the organisation. Lianne is also the Head of SecOps for the largest greenfield technology project in Europe where she builds strategies to create sustainable security cultures throughout the organisation. As a respected speaker, Lianne has delivered talks [...]

Kilian is a front-end developer with over 20 years of experience that switched from building websites to building apps to build websites with. He is interested in modern web development, desktop app development and new technologies, and regularly speaks about topics like responsive websites, design systems and Electron. Kilian is a frequent open source contributor.

Joralf is a member of the management team and a (technical) project manager at Infi, a digital agency based in Utrecht. He loves building self-managing teams in which business and developers work together in harmony. In his spare time he's one of the organizers of the DomCode meetup, a cross-language user group for web developers in the Utrecht area.

A lifelong technologist, starting coding at the age of six, Jeff has been in the industry for over 24 years. He has a love for CyberSecurity, especially the human elements of it. Working for a consultancy, he's seen the world change to be product and service focused, and bangs the drum for ensuring that everybody is involved in delivering secure and usable offerings.

Experienced software engineer with a deep passion for software products, Jeb has been developing software since the age of 14. When not writing code, catch him kitesurfing or desperately trying to get some tolerable sound out of his drums and guitar.

By day Erwin is a DevOps engineer at Fullstaq, consulting companies on how to best implement cloud native principles on the public cloud and how to develop applications to fully embrace what new technologies can offer. At night he turns into a chindōgu engineer (look it up on wikipedia, it's awesome). Tinkering with stuff like adding music to his home elevator or connecting his garage door to the internet. His presentations always come with a dose of humor and self-deprecation. And if it all works out, you'll learn something too.

During my studies I discovered my enthusiasm for technology, innovation and programming. After a few years in larger corporations such as Continental and IBM, I moved to the IT service provider MaibornWolff. Today, I work there as a software engineer in agile teams designing various digital products.

Craig is a Software Engineer from New Zealand, currently travelling the world, freelancing, teaching and consulting! He's an Angular GDE, and he loves using all kinds of technologies to build cool things that help teams build cool things!

I have over 20 years of experience as a software engineer and technical lead in various industries including eCommerce, Aerospace, and Fintech. As an open-source contributor, I have shared expertise and connected with the wider developer community. As a blogger, I have written extensively on software and data engineering topics. I am now part of a global innovative financial technology platform where I focus on APIs and Developer Experience.

Bert is the founder of PowerDNS, software that powers a significant fraction of the Internet. He also did government cybersecurity work, and co-founded a software company in that field. These days Bert does DNA research and until recently was part of the government board that regulates the Dutch intelligence and security agencies. Bert is now a part-time technical advisor at the Dutch Electoral Council ("FEC")

Alexandra is a technical writer for Google Chrome, helping developers build a better web. Prior to Google, she was a technical writer, web developer, digital marketer, and one-time off-Broadway stage manager.

Aakansha is passionate about Free and open-source software (FOSS) and loves deep diving into the internals of Javascript and React. Being one of the core maintainers of Excalidraw, she spends most of the time with Canvas. She leads the FOSS meetups in Bangalore, India. Beyond her tech interests, she is a big foodie, loves traveling, and spending quality time with her family.

Michelle Sanver works as a senior software developer and architect at Liip. A self organised Swiss web agency. Michelle loves anything community related and is a big advocate of Open Source. She is a code- passionate colourful geek with an expertise in backend development API's and the Symfony framework. With more than 20 years of PHP experience she is eager to share her extensive knowledge.

Ivo is the founder of app agency Egeniq. For the past twelve years Egeniq has been building large scale apps for media and other companies. He is also the founder of the Appdevcon conference for app developers.

I am a passionate iOS engineer with more than seven years of experience. I have worked in start-ups and big companies both in Iran and in Denmark, where I am currently based. AI and mobile are my two big passions, and when I get to mix them it is my dream come true. I love sharing knowledge and learning. I am an Engineer by day 👩🏻‍💻 and a movie geek 🎥 by night. And according to Spotify, I listened to 105 different genres last year 🎧

Tom Colvin is CTO of Apptaura, the app development specialists; and Conseal Security, the mobile app security experts. He has been a developer for over 20 years and worked with Android since Cupcake, and is also Google Developer Group lead for Hants & Surrey (UK)

With over 10 years of Android development experience, Zachary moved into DevRel at the start of 2021. While turning to the dark side and moving into management he's still very passionate about Android and all things mobile!

Severn Everett, currently employed as a backend developer at Apiumhub, has spent more than a decade in the software engineering industry and has worked in software development companies in the United States, India, Germany, the Netherlands, and Spain. His tech stack repertoire has also varied considerably with the years, with experience in projects that used Java, Kotlin, C++, Python, Ruby, and Go. However, the JVM and Spring Boot ecosystems remain the domains in which he retains the most knowledge and interest.

Sanne is what you would call an enthusiastic and results-oriented mobile developer. She is a true all-rounder who can develop cross-platform using KMM, native iOS and native Android. She always takes a critical look at the chosen architectures and solutions. She is passionate about her profession and enjoys thinking about further developments, choosing the right technology for the customer and figuring out how to improve development speed when scrum is slowing it down. Critically thinking along in how the process can be accelerated is something she is always working on. Her agile mindset, enthusiasm and analytical skills make her indispensable [...]

As Technical Evangelist @ AWS, Seb is inspiring builders to unlock the value of the AWS cloud, using his secret blend of passion, enthusiasm, customer advocacy, curiosity and creativity. Sébastien worked for the last 20+ years with large enterprises and startups alike to help them to transform their business requirements into technical solutions, to unlock the value of software, mobile applications and to scale systems to meet customer demand. Before joining the Evangelist team, he built & lead the AWS Technical Training team in EMEA, then he built & lead the Alexa Solution Architecture team in UK, France, Italy and [...]

Robert is an engineer who gets a kick out of starting, building mobile apps and backends for companies that have or want to have a large user base. Works in an agile and lean way to validate and improve future products with users and customers. Conducting research and analysis in order to come up with solutions to business problems and help to introduce these into the organisation.

Roy is an entrepreneur, speaker and author from The Netherlands and, in his own words, 'wants to make the world a better place through tech'. He has been giving talks and trainings to developers worldwide on technologies like GraphQL, React and TypeScript. Most recently he wrote the book Fullstack GraphQL.

Rob Allen is a software developer with many years experience in a variety of interesting languages. He's particularly interested in APIs and the ecosystem around them along and contributes to Slim Framework, rst2pdf & Apache OpenWhisk along with other open source projects. Rob is a published author and based in the UK where he runs Nineteen Feet Limited, focussing on API consultancy and development. In his spare time, Rob blogs at [akrabat.com](https://akrabat.com) and can often be seen with a camera in his hand.

Rens van der Vorst teaches, writes and researches our relationship with technology. He writes funny and bestselling books on technology and offers a combination of stand-up and conten as a keynote speaker. His newest book is called Digital Gremlins! Rens searches answers on questions like: Does technology make our lives better? And, what is exactly meant by better? Rens van der Vorst is leading a research - project into a free online tool that helps people think about the impact of technology (www.tict.io), designed various card & boardgames and created www.ceptcha.com an alternative for the inhumane CAPTCHA.