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!

Robin Ginn
OpenJS Foundation, USA
Robin Bender Ginn is the Executive Director of the OpenJS Foundation. Hosted by the Linux Foundation, OpenJS is the neutral home to grow and sustain the JavaScript and web ecosystem with 35 projects including Appium, Electron, Jest, jQuery, Node.js and webpack. Previously, Robin led major initiatives at Microsoft to advance open source technologies, community development, and open standards.

Mandi Wise
Apollo, Canada
Fan of JavaScript + Python, analogue photography, and the serial comma. Also wrote a book about GraphQL.

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.

Callum Macrae
Author of Vue.js: Up and Running, UK
Callum Macrae is a developer and occasional musician based in London, UK, with a passion for using JavaScript to solve complicated problems. His current favourite things to work with are Vue and SVGs (but only sometimes at the same time). He is the author of Vue.js: Up and Running, a book about getting started with Vue. He can be found on Twitter and GitHub as @callumacrae.

Harsh Shah
Pedals Up, India
Hi, I’m Harsh Shah. I am a self-taught developer I am currently working as CTO at Pedals Up Blockchain Studio & Polygon Advocate. I started my coding journey in 2009. That was the first time when I ran my first code in the C language “Hello World!”. Then after there was no look back, I learned C, C++, Html, CSS, Javascript, Python, SQL and many more technical languages & frameworks. I am always a curious person about technology. When I started working in the industry, I worked with various Startup Companies across the globe, like Elemetor, KDE(GSOC), Wikimedia(GSOC), Mokko(USA Based), Dataone, Pycon Taiwan, etc.
I am also a community builder. I started my first community at college with the help of some of my friends, Then after I started contributing to other communities like Makerfest, GDG Ahmedabad, Echai, Pydata, and IIT-B Ecell. Currently, I am a co-organizer of GDG Cloud Ahmedabad & Pydata Ahmedabad. I am also a Polygon Advocate.
I have given more than 30+ talks on several topics like Google Cardboard (VR), Google Cloud Tech (GCP), Python tech, React Js, React Native, and Design Systems at the Local & Global levels.
Currently, I am also working on Web 3 space for the last 3 years. And worked with more than 10+ startups in the Web 3 space. We at Pedals Up(company) work with clients like, Biconomy, Nord Finance, Pillow Funds, Scallop, Kalamint, NFT, and so on.

Charly Poly
The Guild, France
Self-taught since 13 yo, I am passionate about web development, more recently, especially about the JavaScript and GraphQL ecosystems. Strong of more than 9 years of professional experience in companies such as Dashlane, including more than 3 years in a Technical leadership position at Algolia, and early-stage companies; I also talked at many international conferences, including the well-known React Europe 2019 conference and wrote many reference articles on TypeScript, React, and GraphQL relayed by recognized international newsletters such as GraphQL Weekly and TypeScript Weekly. After working as a freelance providing coaching, training, and consulting services, I joined The Guild to work full-time on the GraphQL ecosystem.

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.

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.

Paolo Ricciuti
Mainmatter, Italy
Mentorship available
Svelte Ambassador and Maintainer, sometimes called a mad scientist because of weird Javascript experiments that it does. It's one of the co-creator of Sveltelab and generally a huge nerd. Works as a SSE at Mainmatter.

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.
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.

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.
Kamil Ogórek
Sentry, Poland
Senior Software Engineer at Sentry, working with SDKs, CLI and debugging tooling. Passionate about software development, with a special affinity for web technologies.
After hours training and nutrition geek, a weightlifter, a climber, a recreational cyclist, a drummer and a music lover. Loves to cook and admires great food.

Olayinka Atobiloye
GitHub, Nigeria
Olayinka Atobiloye is a third-year Computer Engineering student at the University of Lagos, and she is also a GitHub Campus Expert and the Chair of Women in Engineering, Unilag. Her passion for software engineering stems from its ability to create solutions that have a direct positive impact on people's lives. In the past, she has had the opportunity to build impactful solutions through internships at companies like Goldman Sachs and GitHub.
Additionally, Olayinka is passionate about volunteering and growing communities. As a GitHub Campus Expert, she hosts events like the GitHub Octernship Lagos, where students receive tips and insights into the GitHub Octernship program to help them accelerate their careers. As the current Women in Engineering Chair on her campus, she spearheads programs that improve the software engineering skills and employability of female students. These programs include seminars and mentoring sessions where female students can discuss with women in the industry and learn how to overcome challenges they may face in their early careers.
Olayinka is committed to making a significant impact in software engineering and in her immediate community.

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.

Federico Terzi
AnimaApp, Italy
Software Architect at AnimaApp, Creator of Espanso.org.
An engineer with a strong passion for tech, programming and products. Besides working hard to automate the boring parts of front-end development, he also enjoys building side projects, giving talks and cooking.

Nikhil Sharma
Postman, India
Software Engineer at Postman. I build scalable and reactive web apps with React and some caffeine! OSS contributor and maintainer @ OSSN Blogger @Medium Speaker

Vivek Nayyar
Qoala, Indonesia
Full Stack Engineer turned Engineering Manager with more than 8 years' of experience building products for numerous domains like e-commerce, real estate, video-streaming, Fin-Tech and now Insurance Tech with Qoala.

Abbey Perini
Hygiena, Atlanta, GA, USA
Abbey Perini is many things - a metro Atlanta native, person of many hobbies, full-stack web developer, accessibility advocate, international speaker, and technical writer with ✨over 500,000 views.✨
She's full-stack in the truest sense - give her a problem and she'll figure it out. She's happiest problem solving in the front-end, back-end, and all the APIs and microservices in between. Passionate about accessibility, she's worked in Vue, React, and even AngularJS (2013). She's spent her development career rectifying tech debt in existing codebases.

Charlotte Isambert
Bam.tech, France
Charlotte Isambert is a software mobile architect at bam.tech, a company specialized in mobile apps, with a big React Native tribe. She has been a React Native developer for 2 years.
Zbyszek Tenerowicz
MetaMask, Poland
Full-stack engineer and technology researcher. Leads Security Lab team at MetaMask working on LavaMoat and Endo. Started using Node.js at v0.8 and never stopped. Enjoys innovating and teaching security, diagnostics and maintainability. One of the oldest members of meet.js Poland community - both as a speaker and organizer. Hacking JavaScript since his teenage years.

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!

