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!

Adrian Herbez
Together Labs, USA
Adrian Herbez has over 20 years of experience in games, web development, and virtual worlds. He has worked at Linden Lab, at Sony (on Playstation Home), and at Together Labs. He was a co-founder at Jamwix, creators of the first feature-length VR movie (Banshee Chapter: Oculus Edition) and has presented work as part of the VR Village at SIGGRAPH 2016. He also taught Maya for years at the Academy of Art, and is the author of the "Maya Programming with Python Cookbook" published by Packt.

Denis Kondratev
Playrix, Serbia
I've spent 17 years in software engineering, dedicating 12 of those to the development of security systems. Although this work was deeply valued, my true passion has always lain in game development. For the past 5 years, I've been immersing myself in this field - a passion I've been privileged to indulge while working at My.Games. I've contributed to the development of the popular video game, "Left To Survive," which boasts over 60 million installs and an impressive revenue of $120 million to date.
Aside from my hands-on work, I've maintained active involvement in the wider tech community. My articles have been published on popular platforms such as Hackernoon.com, DZone.com, and Medium.com. I've also had the honor of serving as a judge for prestigious competitions like the Globee Awards, the CODiE Awards, and various hackathons.

Walt Ribeiro
Vultr, USA
As Vultr's Developer Advocate, Walt Ribeiro helps create educational materials for developers and technologists including video/written how-to guides, product demos, reference materials, best practices,
code samples, and training. Having been a broadcast engineer at Youtube Space LA, he understands online content and production and is excited to bring that energy to Vultr's growing community across all sites, meetups, and events.

Kristopher Jackson
Inklusiiv, Finland
Experienced Business Development Specialist with a demonstrated history of working in the information technology and services industry. Skilled in Sales, Customer Relationship Management (CRM), Event Management, Management, and Account Management. Strong business development professional with a Finance focused in Economics and African American History from the University of Illinois at Urbana-Champaign.

Adron Hall
Hasura, USA
Adron has a wide range of companies, programming, and database experience. This includes companies ranging from small startups to 200k plus person enterprises and the respective challenges of design and architecture for these companies. In programming, Adron is fluent in C#, JavaScript, and Go, with experience in F#, Java, C++, Erlang, COBOL, and others, for a truly polyglot perspective of language approaches and their technology stacks. But, I get super frustrated writing in the third person for various reasons. So I like to think of me as jovial, proactive, test & code, code & test, get things done well, software architect, engineer, code monkey, coder, and distributed systems advocate. I go by the title of “Coder, Messenger, Recon” as it seems to encompass what I do.

Angel Rivera
CircleCI, USA
Angel started his career as an US Air Force Space Systems Operations specialist in Cape Canaveral AF Station where he realized his passion for technology and software development. He has extensive experience in the private, public and military sectors and his technical experience includes military/space lift operations, technical writing, software development, SRE/DevOPs engineering. He also has a wealth of experience in defense and federal sectors such as contracting, information systems security and management.
You can usually find him speaking at or organizing local tech meetups and hackathons where he enjoys engaging with developers.
Denny Biasiolli
Fingerprint Compliance Services, Italy
Mentorship available
Hi there!
I'm a developer and a trail runner, and I enjoy both coding and hitting the trails. When I'm not busy turning lines of code into beautiful and functional applications, you can find me running through the mountains and breathing in the fresh air. I'm a firm believer that a healthy mind and body lead to better coding, so I try to balance my love for technology with a love for the great outdoors.
Just remember: if you can't find me at my desk, I'm probably out for a run!
I have experience with Python/Django, JavaScript/Vue.js, and a little bit of Go. I'm also an active public speaker and open source contributor.

Joe Hart
Workflow, UK
Joe Hart is a software engineer, international speaker, and occasional stand-up comedian (mostly at JavaScript conferences, but still). He builds joyful interfaces with React by day, and questionable side projects by night. Joe brings a mix of deep technical insight and sharp humour to the stage – because if you can’t laugh about state management, what’s the point?
Evan Purkhiser
Sentry, USA
I am a software engineer who is passionate about building high-quality systems, tools, and applications.
I am continually striving for the feeling of having built something I’m proud of, something I know that I didn’t take shortcuts on, and something worth sharing. I also have a deep appreciation for modern design aesthetics and robust interaction design. The melding of form and function is my holy grail.

Meaghan Choi
Cloudflare, USA
Meaghan is a Designer at Cloudflare (previously Meta) focusing on the building the developer platform. Her expertise lies in creating developer experiences for cutting-edge technology including cloud computing, AI, machine perception and spatial computing. She is enthusiastic about bringing design into highly technical spaces and how design shapes development and vice versa.

Katharina Fetzer
hylane GmbH, Germany
At the age of just 29, Katharina is Head of IT at hylane, a rental company for hydrogen trucks. She previously worked as a software developer and data engineer at WetterOnline for 9 years. In her work, she places a special focus on sustainable corporate IT and will share her experiences.

Daniel Goren
Evinced, Israel
Daniel Goren is a lead researcher at Evinced, a pioneering company specializing in automating the detection of accessibility violations. With 6 years of experience and a deep passion for accessibility, Daniel is committed to driving innovation and best practices in the industry.

Ewa Gasperowicz
Google, Switzerland
Ewa is a Developer Relations Engineer in the Google Chrome team. She is a passionate frontend engineer deeply involved in the development of new Chrome and Web Platform features. Driven by a desire to empower developers, she focuses on creating tools and improvements that streamline workflows and enhance the overall web development experience.

Tom Occhino
Vercel, USA
Tom is the Chief Product Officer at Vercel leading Engineering, Product, and Design. Previously he spent over 12 years at Facebook where he led development of the company’s core JavaScript Infra, shaped its open source program, and was responsible for the creation and development of React and React Native. He enjoys traveling, dance music, fancy cocktails, and simple food.

Benjamin Swerdlow
Freestyle, USA
Benjamin Swerdlow took a break from his studies at UChicago, to go work as a Senior Backend Engineer for Apple, who recently took a break from Apple to build Freestyle. He's been building in the Open Source community since high school, and was a technical lead for the World Health Organization's COVID-19 App team.

Graham McNicoll
GrowthBook, USA
Graham is the Co-founder and CEO of GrowthBook, the most popular open-source feature flagging and A/B testing platform. GrowthBook is backed by Y Combinator and Khosla Ventures. Before starting GrowthBook, Graham was the CTO of Education.com for 6 years. Graham is a three-time startup founder, including starting an international non-profit to increase access to communication in the developing world, particularly sub-Saharan Africa. He has a degree in Physics from CMU.

Andreia Ocanoaia
Genezio, Romania
Andreia brings a wonderful mix of academic experience and open-source passion to Genezio. Her expertise shines through in her contributions to streamlining FaaS/serverless deployments for the end users. Andreia is a passionate public speaker and technology advocate. She empowers developers to write clean, bulletproof code through her talks and articles. When she's not elbow-deep in writing code, you might find her talking about best practices for cloud and backend development at conferences or meetups.






