JavaScript experts, mentors, speakers

Explore personalities and their talks, workshops, videos, and articles. While we focus primarily on JavaScript and frameworks like React, Vue, Svelte, and Node, you may find experts on other fields on our Portal. To name a few – Testing, DevOps, Machine Learning, and many more!
John Reilly
John Reilly
Investec, UK
Long-time Londoner, born in Bristol and raised in Fleet. I blog at https://blog.johnnyreilly.com and I work/have worked on a number of open-source TypeScript projects including: - Definitely Typed - ts-loader - fork-ts-checker-webpack-plugin I also wrote the history of Definitely Typed: https://blog.johnnyreilly.com/2019/10/08/definitely-typed-movie.
Evgeny Poberezkin
Evgeny Poberezkin
SimpleX Chat, UK
SimpleX Chat (http://simplex.chat) founder - the 1st chat platform that does not have any user identifiers. Created Ajv JSON validator used by millions of JS apps.
Stephen Belanger
Stephen Belanger
Datadog, Canada
I'm a Node.js core contributor and founder of the diagnostics working group. I've been working on performance and diagnostics tools for a decade now.
Maya Nedeljković Batić
Maya Nedeljković Batić
Linear, Serbia
Maya is a software engineer who has been creating complex frontend products for almost a decade. From workflow editors and no-code expert knowledge automation, to data labeling tools for image, video and medical data, she’s seen it all—or at least a lot of it. She studied fine arts painting and game development, but her passion is JavaScript and the web. She is bridging the gap between these different worlds with explorations in Three.js, WebGL, and 3D art.
Marco Ippolito
Marco Ippolito
HeroDevs, Italy
Marco is a Senior Security Engineer at HeroDevs. Active contributor, releaser, and member of the Node.js Technical Steering Committee, he is a renowned international speaker and a Microsoft MVP. Marco is actively involved in many projects within the Node.js ecosystem and also serves as a delegate in TC39.
Ejiro Asiuwhu
Ejiro Asiuwhu
Veet, Nigeria
Ejiro Asiuwhu is a product engineer who works at the intersection of software, product, and design. He's bullish on leveraging technology to solve user problems and create magical experiences, focusing ruthlessly on what users care about. He is also a co-founder and product engineer at Veet.
Andre Landgraf
Andre Landgraf
LinkedIn, USA
Andre is a full stack developer from Germany. He graduated with an MS in Information Systems from the Technical University of Munich and was also awarded an MS in Computer Science from Sofia University in Palo Alto. Andre currently lives in Cupertino, California, and he works as a Software Engineer at LinkedIn. Andre loves learning, writing, and speaking about all things web. In his free time, he tutors aspiring developers and builds for the web.
Sabin Adams
Sabin Adams
Prisma, USA
I'm Sabin Adams, and I've been working in web development for about ten years now. I love solving problems and making tools that make developers' lives easier, and currently, I work as a developer advocate for Prisma. Teaching, speaking, and writing about web development is my passion!
Kevin Hou
Kevin Hou
Codeium, USA
Head of Product Engineering at Codeium — writing code that writes code! Engineer, designer, photographer, and woodworker.
Ruben Bridgewater
Ruben Bridgewater
MaibornWolff, Germany
Ruben Bridgewater is member of the Node.js Technical Steering Committee (TSC) and works as Principal IT Architect for MaibornWolff GmbH. His main emphasis is building powerful and easy-to-use APIs for scalable and fast applications. He is continuously working with the V8 team and the TC39 committee to improve the developer experience with JavaScript.
Maurice de Beijer
Maurice de Beijer
Independent Software Consultant and Trainer, Netherlands
Maurice de Beijer is an independent software consultant and trainer. He specializes in TypeScript, ECMAScript, React and Svelte. His work includes popular collaboration software as well as a large, global, safety application for the oil and gas industry. He has a preference for working with startups and smaller, more dynamic companies. Maurice is also active in the open source community. He teaches ECMAScript, TypeScript, React, Cypress, Playwright and RxJS courses. Since 2005, he has received Microsoft’s Yearly Most Valuable Professional Award. Further, Maurice is active in the Dutch dotNed user group and helps organize its meetings.
E. Dunham
E. Dunham
Okta, USA
From a background in DevOps, Systems Administration, and SRE, edunham has recently taken the leap into developer advocacy to spread information about which tools and approaches fit which problems well, and to gather real-world feedback that helps Okta improve its products. Outside of work, you'll often find them anonymously automating annoyingly manual workflows in their favorite online games, gardening, and getting interrogated about whether they have or are food by several chickens and a cat.
Konstantin BIFERT
Konstantin BIFERT
Baserow.io, Netherlands
Devrel at Baserow.io :avocado: Nuxt and WTM ambassador, sharing good vibes and helping people.
Ana Rodrigues
Ana Rodrigues
Hactar, UK
Ana works as a front-end developer for the agency Hactar. She started coding as a teenager building fan sites, and has been working as a front-end developer for the last 11 years. Nowadays, Ana spends most of her free time experimenting on her personal blog and is particularly interested in ethics, IndieWeb, sustainability, plants, cooking, privacy and all things CSS.
Nathalia Rus
Nathalia Rus
Custodian, UK
Co-Founder of Custodian, VC-backed insurtech startup based in London. Nathalia also created Metos - metos.app, a platform for writers. French multi-awards technologist, you can find her on instagram at @yeahgirlscode where she documents her journey in tech. Outside of coding, Nathalia trains in Muay Thai and enjoys playing different musical instruments.
Suzanne Daniels
Suzanne Daniels
Microsoft, Netherlands
Suzanne is a Developer Engagement Lead at Microsoft.
Daniel Afonso
Daniel Afonso
PagerDuty, Portugal
Daniel Afonso is a Senior Developer Advocate at PagerDuty, SolidJS DX team member, Instructor at Egghead.io, and Author of State Management with React Query. Daniel has a full-stack background, having worked with different languages and frameworks on various projects from IoT to Fraud Detection. He is passionate about learning and teaching and has spoken at multiple conferences around the world about topics he loves. In his free time, when he's not learning new technologies or writing about them, he's probably reading comics or watching superhero movies and shows.
Luca Maraschi
Luca Maraschi
Platformatic.dev, Canada
Luca is the Co-Founder and CEO of Platformatic.dev, on the mission to evolve and make frictionless backend development. Luca’s passion for the tech industry started at the young age of just 6 years old when he began coding. Since then Luca founded and successfully exited 3 companies. While managing large teams, he has designed and delivered large-scale real-time systems for some of the industry leaders in gaming, banking and mobile technologies. Before his last role as CTO at mobileLIVE, he was VP of Engineering at CTO.ai, after leading the technology strategy and vision at Telus Digital as Chief Architect. Luca’s core focus is on creating business value through building out, architecting and overseeing Cloud Technology, Big Data , AI, APIs, Micro-Front-ends and large distributed systems.
Jamal Sinclair O'Garro
Jamal Sinclair O'Garro
Netflix, USA
Jamal Sinclair O’Garro is a senior software engineer at Netflix that has a keen eye for product design and is able to not only architect systems but can also handle design from a UX and "look and feel" perspective. Before Netflix, he single handedly designed and architected over 15 production desktop applications both for Citadel and Citadel Securities. Some of these systems process billions of dollars of orders and trades daily. Jamal is a published author, is heavily involved in the tech scene and runs two of New York City's largest tech meetups (~14,000 members combined). He has also had the honor of being invited to speak about technology, and diversity at the White House, United Nations, New York University, Columbia University and Harvard Business School. Jamal has also been featured or quoted in Fortune, Forbes, TechCrunch, CNN/Money and Black Enterprise and has taught web development at Columbia University and the New Jersey Institute of Technology.
Nathan Flurry
Nathan Flurry
Rivet, USA
Nathan has been working on .io multiplayer game developer for 7 years, helping build & scale games like Krunker.io, Diep.io, and Ev.io over seven years. He's a fan of games that are easy to learn but challenging to master. Away from coding, he’s often found trail running and doing photography. Currently, he’s building open-source tools to help multiplayer game devs with distribution at Rivet.
Alessia Bellisario
Alessia Bellisario
Apollo GraphQL, USA
Alessia lives in New York City with her wife, son, and rambunctious cat. She loves ECMAScript, building in the open, and making plotter art with her two trusty drawing robots.
Dimitris Kiriakakis
Dimitris Kiriakakis
ZEAL, Germany
Full Stack Developer with 10+ years of working experience in different sorts of frontend & backend frameworks, author on dev.to and medium with focus on Web Technologies, Modern Frameworks, sustainability and performance optimisation. In his free time he enjoys skiing and windsurfing, depending on the season. Dimitris is passionate about contributing towards a faster and more sustainable web.
Matheus Albuquerque
Matheus Albuquerque
Medallia, Czech Republic
Matheus is a Sr. Front-End Engineer at Medallia, building their surveys platform and helping them shape the customer experience market with React, and a Google Developer Expert in Web Performance. His areas of interest include React and its ecosystem, JS and compile-to-JS languages, DX, and perceived performance optimization. Aside from public speaking about these, he also volunteers at TechLabs, teaching front-end development.
Simon Knott
Simon Knott
https://quirrel.dev, Germany
Developer Tooling Engineer & Open Sourcerer. Creator of quirrel.dev, L2 Maintainer of Blitz.js. Studying at HPI.