Dan works on React.

Daniel is an engineer at Igalia, a free software cooperative, participates in TC39, the JavaScript standards committee, and has dabbled in WebAssembly and web standards. He's also worked on V8, the JavaScript engine in Chrome.

Vitaly Friedman Smashing Magazine

Vitaly Friedman loves beautiful content and doesn’t like to give in easily. Originally from Minsk, Belarus, he studied computer science and mathematics in Germany where he has discovered his passion for typography, writing and design. After working as a freelancing designer and developer for 6 years, he co-founded Smashing Magazine, one of the largest online magazines dedicated to Web design and development. Vitaly is writer, co-author and editor of both Smashing Books. He is now working as the editor-in-chief of Smashing Magazine in the lovely city of Germany, Freiburg.

Natalia works in the role of Frontend Architect/Principal Software Engineer for enterprise-scale web software platforms. She is also a Google Developer Expert for web technologies and Angular.

Nataliya has been a web developer since 2010.

She loves the user interface development process and solving challenges behind it. Nataliya keeps up to date with developments in the modern JS and React ecosystems and sometimes combines travel with conferences.

Besides the technical, she has an arts education. She feels inspired by seeing how the digital industry has revolutionised traditional art.

Leo Balter Salesforce

Standards Liaison for the UI Platform team at Salesforce. Helping to push ECMAScript and Web Components forward and testing JS on the way through Test262. Editor of the ECMAScript Internationalization specs. Raised in Rio de Janeiro, Brazil, hobbies include building and maintaining electric guitars and playing video games, mostly Super Mario Maker.

Elizabeth is a product manager on the Google Chrome Web Platform team, working to ensure that developers have all they need to create fantastic experiences on the web. Her portfolio includes products such as Lighthouse, PageSpeed Insights, Chrome User Experience Report (CrUX), and web.dev. Elizabeth has a background in humanitarian technology, and she's delighted to be working on a platform that champions open access to information and utility for all.

Martin is open source contributor and web evangelist by heart from Zurich with a decade experience from the trenches of software engineering in multiple fields.

He works as a Developer Advocate at Google for the Search Relations team. He helps people building applications or publishing content on the web to be successful, productive and visible.

Martin believes in the web platform and is working with bleeding edge technologies that will allow the web to prosper.

Nicolò has been a core Babel developer since 2017, and he has helped with the development of different ECMAScript proposal.

When offline, he is a mathematics student in Turin, Italy.

Natalia Tepluhina is a Vue.js core team member and a Staff Frontend Engineer at GitLab.

She is a conference speaker and author of articles on different topics related to Vue.js. Thanks to these activities Natalia has got a title of Google Developer Expert in Web Technologies.

Ivan Akulov PerfPerfPerf

Google Developer Expert in web technologies. Founder of PerfPerfPerf which helps other companies earn more money by making web applications faster. Acts on the stage and writes articles.

Ivan helps people with Canvas 2d/WebGL projects, knows many practical cases.

Ivan works with HTML5 games since 2012 (gameofbombs.com), he's a member of the core PixiJS team since 2016. When he studied in the math department at Moscow State University he participated in many algorithm competitions, including ICPC Finals.

Fullstack-developer, IT meetups speaker. Loves creating simple to use solutions for complex problems. Switched to web development from HPC and CUDA, which he studied at Peter the Great St.Petersburg Polytechnic University.

Currently develops an online multiplayer strategy game in his startup.

Ilya Lesik lessmess.agency

Software engineer, scientist (applied mathematics), IT Entrepreneur, OSS enthusiast.

GraphQL rockstar, developer of Internet products, OSS maintainer. Since 2001 Pavel's main specialization is web technologies. He has extensive practical knowledge on backend/frontend development, administration, and architecture. Since the end of 2015, Pavel's main focus is on isomorphic applications. In summer 2016 he began the development of graphql-compose (GraphQL schema generator) in open source.

Thomas Steiner is a Developer Advocate at Google Hamburg, focused on making the Web a better place through standardization, creating and sharing best practices, and doing research. He blogs at https://blog.tomayac.com/ and tweets as @tomayac.

Actively propagating web application safety. Love testing and works at Cypress.io for the second time. Material-UI core team member. Active (or not really) open source contributor.

Love chihuahua, volleyball, OCaml, and cooking.

Andrey's been involved in design and development of various web apps and systems for many years and always enjoyed it. Came a long road from a greenhorn junior developer in a small product team to a solution architect in a large outsourcing company. Some time ago joined Hazelcast engineering team and started working on the company's products, including Node.js client library. Moreover, some time ago joined Node.js core team as a collaborator.

First met and fell in love with Node.js during the good old v0.12.0 era. Enjoys non-trivial technical challenges that require a deep dive. Has a personal blog, maintains several open source libraries. Constantly learns new stuff from others and shares his experience with the community.

Experienced fullstack developer, project manager, and entrepreneur. Speaker at the most popular conferences and meetups. IT evangelist and CIS countries SvelteJS community leader. Prefers to work on interesting projects as a technical leader and solve complex tasks using various technologies and approaches.

Michael Hladky is a Google Developer Expert (GDE), Microsoft MVP, trainer, and consultant with a focus on Angular and RxJS. For years he has helped companies and developers to set up scalable architectures and performant processes enabling teams to keep up with the state of the art development. A vibrant member of the tech community, he organizes multiple community events and workshops each year to give back.

Fullstack JS/.NET Ronin, Typescript & ReasonML enthusiast. Type theory & compilers wannabe. Speaker & @HolyJSConf program committee. He/him.

Fifteen years of experience in the design and development of large-scale web applications in an Agile environment. Strong knowledge of cutting edge technologies for rich graphical applications — WebGL/Canvas. Full-stack development. High-performance optimization both on client and server sides. Worked for Wargaming and Apple. Ph.D. in Applied math. President prize for achievement in science. Startup experience. Game dev experience. Management experience.

Hegel.js creator, JavaScript.Ninja sempai, UnderJS podcast host, pagan, outcast, traditionalist, post-modernist, underdog.

Senior developer at Tinkoff.ru in St. Petersburg. Ekaterina likes to develop cool and scalable enterprise frontend, and for the last two years she's been doing it using all the available Angular versions.

Has been writing on JS for almost 5 years. Serves humanity through the orator skill.

Alexey got his first computer in his second year at the university. After 2 years, he made up the first site, including for IE6. He worked his way up from layout designer to architect. Currently he's a team lead, speaker. Until recently, he took over the world with Infobip, a global business communication platform. Now works at EPAM.

Ilya Chertorylsky Raiffeisenbank

Ilya started with the development of the firmware for chemical equipment and interfaces to it, later devoted most of the time to the interfaces, then discovered endless possibilities of JS. He's engaged in it now.

Originally from Moscow, Russia. Diana graduated from Bauman MSTU. Diana spent the last 12 years building software in Silicon valley. Currently with Uber primarily focusing on the frontend, but contributing full-stack to systematically introduce GraphQL into established microservices architecture.

Lives in St. Petersburg. Created web applications and games at Tinkoff. Now works at VK. Helps to organize meetings in St. Petersburg and JSNation conference in Amsterdam. He came to programming because he wanted to develop games and gradually began to do this at work.

12 years in web development, 8 years has been developing corporate web applications, including decision-making systems, production process control, and microbiological research. Open source contributor, consultant, and developer of developer tools. Russian Ember.js community organizer. Loves JavaScript, DOM API, AST.

Andrey Melikhov Yandex.Money

Before becoming a frontend developer, Andrey was engaged in the development of geophysical equipment. He was writing assembly code for the microcontrollers and was solving the problem of data transfer by kilometer noisy cable. Then he got a bit bored in the frontend, but recently discovered a lot of poorly researched (at least in Runet) low-level areas associated with the issues of generating machine code from JavaScript. He continues to dig deeper and shares the results with the community.

Full-stack developer, in development since 2004. Organizer of PiterJS and IT Global Meetup.

For more than 5 years he has been professionally engaged in virtual rendering with browsers. Dmitriy has made task managers, document editors and even a framework where virtualization works under the hood.

Frontend developer at Okko, host of NodeSchool Spb. A fan of TypeScript and extreme programming.

Program Director of the JUG Ru Group.

JavaScript developer, started out as a game developer ~16 years ago. Took part as a systems architect and lead developer in projects with tens of thousands of DAUs in startups and enterprises. Conducted 250+ frontend interviews in 2019-2020. Author of the ХантИТ YouTube blog for developers. Currently involved in the development of Toptal - the largest international platform for qualified freelancers.

More than 10 years of experience in software testing, SEO, Internet marketing, management. Mentor, speaker, QA Tech Lead. Tech stack: Cypress, Selenium, Protractor, Jasmine, Mocha, Karma, Cucumber, Chai, JavaScript, TypeScript.

Frontend developer since 2013. Semyon managed to work in a startup, state projects (Platon, Rosguard, Roscosmos), on the service for entrepreneurs Potok as team lead, developed a useful program for HR Huntflow. Now he does Yandex.Zen.

Frontend developer (JavaScript/TypeScript), mentor. Sergey is interested in software development in general and also shows interest in functional programming. Writes articles. Has his own Telegram channel. Not directly related to area 51.

Maxim's first language was Haskell, then he wrote 2 years in Java. After that he learned about closures in JavaScript and React. 4 years with Dart for the Web. For 1.5 years he has been dealing with TypeScript and its wonderful type system. Maxim is also good at state management.

Ведущий разработчик в МТС. Любит делать сложные вещи простыми. Сторонник ментального программирования. Адепт Svelte.

Zhukova Elena Rambler Group

Elena Zhukova is a frontend developer in the Afisha.ru of Rambler Group. She has more than five years of work experience. She is a creative person and likes TypeScript but doesn’t forget about JS.

Gusztáv Szikszai Digital Natives

A self-taught programmer has been writing code since he was a teenager. Lately, Gusztáv has been focusing on the Mint programming language outside of work.

BeerJS Moscow, BeerJS Summit, MoscowJS and WebAssembly Moscow meetup organizer, digital nomad, TC39 invited expert, WebAssembly Community Group participant, certified beer sommelier and community guy whose glass is always half full.

Works as a team lead at Headhunter. One of the organizers of the hh.ru programmer's school. Loves programming and trying everything new.

Yaroslav Losev Redis creative agency

Frontend engineer. Core contributor of React Figma. Yaroslav has been dealing with development since school and has written his first UI using Delphi. Passionate about React.

15 years of JS everywhere: from microcontrollers to rendering video in the cloud. More than 6 years of educational experience (at two universities and Illya's own courses), Ph.D. in Computer Science (field of interest: System Analysis and Theory of optimal decisions). Now works as front-end developer in GitLab.