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!

Vova Guguiev
Framer, Netherlands
Vova is a product engineer at Framer, where he works on removing boundaries of what's possible to achieve with creative tools and enabling new ways of building products. He's passionate about native browser ESM, Import Maps and web3.

Will Klein
North, USA
Will is dedicated to crafting exceptional developer experiences, that help us increase our understanding, creativity, and flow. Throughout his career, he's shared expertise building developer tools, organized meetups, and helped cultivate thriving technical communities. Now at North Developer, he leads the effort to elevate the developer experience of their APIs and payments platform, through clear documentation, practical examples, and by working with the developer community to solve their challenges.

Krutie Patel
Deloitte Digital Australia, Australia
I'm a front-end developer. I create interactive web stuff using Vue js and Nuxt js. Some other frameworks and libraries I also enjoy working with include GSAP, Laravel ⚡️ and Jamstack (JavaScript, APIs + Markup). I love writing ✏️ articles about what I learn and share with Vue/Nuxt community. You can find my blog-posts on my website, which is also created using 👑 Nuxt js.
Apart from this, I also love creating colour-coded diagrams. I create them to capture and document my learning. Diagraming have been an effective tool in my learning journey of Laravel, Vue js and of course, my absolute favourite, Nuxt js.

Rob Richardson
Cyral, USA
Rob Richardson is a software craftsman building web properties in ASP.NET and Node, React and Vue. He’s a Microsoft MVP, published author, frequent speaker at conferences, user groups, and community events, and a diligent teacher and student of high quality software development. You can find this and other talks on https://robrich.org/presentations and follow him on twitter at @rob_rich.

Bela Bohlender
react-three/uikit and react-three/xr Maintainer, Germany
Open-source developer specializing in Web, 3D, and XR, dedicated to building tools that help developers create extraordinary applications and experiences.

Elian Van Cutsem
React Bricks, Belgium
Mentorship available
Elian Van Cutsem or "ElianCodes" is a full-stack developer, creative technologist, and all-around internet troublemaker based in Belgium. He’s the **CTO at Vulpo** and works in **Developer Relations at React Bricks**, focusing on developer experience, documentation, and education. Previously, he was a Software Engineer and core maintainer at Astro.
Elian is also a co-organizer of several major JavaScript communities and events, including **BeJS**, **React Paris**, **React Brussels**, and **React Africa**.
Alongside his professional work, he creates provocative and experimental AI projects, designed to challenge our assumptions about ethics, automation, and human behavior. His work blends code and commentary, often in ways that are both hilarious and uncomfortably real.
Elian is known for his passion, puns, and offbeat sense of humor. His talks combine technical insight with a strong dose of creative chaos—guaranteed fun on stage.

Mo Khazali
Theodo, UK
Mo is the Head of Mobile and a Tech Lead at Theodo UK, having worked on several projects with startups and established enterprises to create cross-platform mobile application in React Native. He's passionate about React Native, MobileDevOps, and pushing the boundaries of combining code across web and mobile.
Before joining Theodo, Mo was a full-stack developer at Nasdaq. He is a graduate from the University of Edinburgh.

Simeon Griggs
Sanity, UK
With relentless positivity and genuine enthusiasm, Simeon is a Principal Educator at Sanity. He aims to bridge the gap between developers and content creators by presenting the benefits of and inspiring solutions with structured content.

Petar Ivanov
Senior Software Engineer / The T-Shaped Dev, Bulgaria
I'm a Senior Software Engineer working in the JavaScript ecosystem. I'm also the founder of The T-Shaped Dev newsletter and the author of The Conscious React book. I'm interested in combining good practices and architectures within React and Node applications, closing the gap between JS Full Stack Apps and Clean Architecture.

Ayoub Alouane
Adservio, France
I am Ayoub Alouane, working as a DevRel and TechLead in Adservio, Moroccan coming from Africa, starting a new journey in France, as a Speaker and Trainer, I'm trying to build a consciousness about web performance in our community of devs.

Naman Goel
OpenAI, USA
Naman works on design systems at Meta, maintains StyleX and is a contributor to React Strict DOM.
Previously, he has dabbled in film-making in India, and spent a year working for a start-up in Spain.

Zan Markan
CircleCI, UK
Zan Markan is a developer advocate at CircleCI, on a mission to educate and inspire developers on the topics of CI/CD, DevOps, and software quality.
Across his career he has worked in companies of various sizes, from enterprises to own startups, and everything in between, and across industries as diverse as retail, AI, and developer tools.
He’s passionate about serverless technologies, mobile development, and developer experience. Outside of work, he enthuses over airplanes, craft beer, and the Oxford comma.

Josh Justice
Chick-fil-A International, USA
Josh Justice is the frontend architect of Chick-fil-A’s International division. He oversaw the development and release of the Chick-fil-A Canada app in July 2025. Over his 20-year software development career he’s specialized in mobile and frontend web testing approaches and tools as a way to deliver more sustainable software that meets user and business needs. He has shared what he learned about testing through consulting, blogging, and speaking at conferences such as Chain React and React Native EU.
Sami Jaber
Builder.io, Canada
Following a stint in data engineering, I have spent the past 6 years focused on web development.
After building elegant & highly performant user experiences at Unsplash as the Web Team Lead, I have now shifted focus to developing SDKs & maintaining Mitosis @ Builder.io.
I am currently the core maintainer of Mitosis, a trail-blazing open-source project that allows engineers to write their components once and build them for every web framework out there.

Rosario Fernandes
Google, UK
Rosário P. Fernandes (@thatfiredev) is a Developer Relations Engineer on the Firebase team at Google, focused on helping developers integrate Firebase and Generative AI into their mobile apps. With a passion for developer communities, he can often be found hanging out with other Android, Firebase, or Flutter developers. In his free-time, he enjoys playing videogames, reading comic books and watching movies.

Daria Caraway
Workday, USA
Daria is a Speaker, Scrum Master, and Software Engineer at Workday where she builds consumer-grade web experiences for the enterprise user. When not coding, Daria is often found traveling, eating good food, and traveling to eat good food.

Andrei Calazans
G2i, Brazil
I'm a Software Developer with an emphasis on a JavaScript Stack(React, React Native, GraphQL, Relay, Apollo, Redux, Redux-Saga, and others). Over the past years, I've worked mostly with Front-End applications, but I have done Back-End work with GraphQL JS. Despite starting my career on the Web, I have been working with Mobile applications for quite some time. Due to working on cross-platform solutions like React Native, I have some experience writing Swift, Objective-C, Java, and C++. I cherish good communication and respect. I also have some of those cliche skills = ) Fast learner and a good communicator. Besides Software Development, I like writing, learning about emotions, and philosophy.

Marius Obert
Twilio, Germany
Marius is a Developer Evangelist at Twilio with a passion for exploring and sharing the latest in communication tech. He started as a UI developer in Silicon Valley, fell in love with JavaScript, and never looked back. Now based in Munich, he helps developers build cloud-native apps that redefine customer engagement. When he's not coding or speaking at events, you'll find him tinkering with Web 3.0 or dreaming up the next big prototype.

Ben Michel
Datadog, USA
Ben cares about enabling developers, and supporting open source projects that push the Web forward (OpenJS Foundation, Node.js, tc39, Unicode Consortium). As a Technical Evangelist at DataDog, he’s helping devs create delightful experiences by using real user monitoring, and distributed synthetic testing. Ben has also led JavaScript meetups over the years (PDXNode, WebAudioPDX), and occasionally produces music.

Sergey Berezhnoy
Web Developer
Sergey is a web developer actively engaged in the development of technologies and tools for creating websites. One of the two co-authors of the BEM methodology. Currently he responsible for developer relations, hiring and training in his company.

Gert Hengeveld
Chromatic, Netherlands
Gert is an engineer at Chromatic, the company behind Storybook. He works closely with the rest of the Storybook team to envision and build the future of UI development and testing.

Emanuele Stoppa
The Astro Technology Company, Ireland
Emanuele Stoppa is an Italian Senior Software Engineer, currently living in Ireland. Active contributor to the Biome and Astro projects. He has more than ten years of experience in the field. He has worked in many fields in the industry - fintech, travel, e-commerce, etc. - and is passionate about open source.

Iwo Plaza
Software Mansion, Poland
Iwo Plaza is a software engineer & artist, trying to incorporate art into every project he gets his hands on. He's passionate about graphics programming and softening the learning curve for future developers trying to get into it. Author of TypeGPU and numerous interactive examples and games built using WebGPU for Web and React Native. His combined experience with C++ game engines and TypeScript's type system allow him to lead the project in a unique direction.
