JavaScript experts, mentors, speakers

Ryan Feigenbaum is a Dev Advocate at GrowthBook, helping teams build scalable feature flagging and experimentation systems. A JavaScript enthusiast with a love for performance and developer tooling, they’re passionate about making experimentation seamless for engineers. When not deep in flags and rollouts, they’re probably sipping a bourbon, playing chess, and having a spirited disagreement with their dog, Mel.

Full Stack Web Developer with expertise in all aspects of the web development life cycle, including requirements analysis, design, development and production support. Primary strengths are Node & Javascript (ES6, React, Vue), React Native, Ruby on Rails, Amazon Web Services/Heroku, and SQL + NoSQL Database Management.

Ido Moshe is a software engineer with over a decade of experience building scalable web applications and developer tools. He currently works on charting libraries at AG Grid, focusing on clear, high-performance data visualization. He has led front-end architecture across diverse domains, with a focus on building modular UI systems, streamlining development workflows, and reducing complexity in evolving codebases. His work emphasizes maintainability, clarity, and thoughtful abstraction.

Paul is the PyCharm/WebStorm Developer Advocate at JetBrains. Before that, Paul was a co-founder of Zope Corporation, taking the first open-source applications.

Senior Front End Developer @Shopify

Sergey is a software engineer at FocusReactive. Loves to understand how things work and is passionate about website performance.

Allison McMillan is a fractional VP of Engineering and Leadership Consultant with over 25 years of design and facilitation experience for gatherings, covering everything from meetings and strategy planning sessions to offsites and conferences. She’s previously held leadership roles at QuotaPath, DEV, and GitHub. Allison has worn many hats in multiple industries as a community builder, managing director, and software engineer. Allison started a podcast about being a parent in tech, Parent Driven Development, and is an internationally recognized keynote speaker. She is very involved in the Ruby community as a former board director and President of Ruby Central. You can find more writing, speaking, and consulting information on her website: www.allisonmcmillan.com

Luke is the co-founder of Gazelle, an all-in-one business automation solution for piano technicians. He founded and bootstrapped the company in 2015, helping piano technicians around the world grow their businesses. Gazelle has customers in over 30 countries and is translated into 11 languages.

Juliette MacPhail is a Product Manager at mabl, where she spends her time working on a low-code platform for simplifying test automation and helping teams ship high-quality software. She’s passionate about understanding core challenges in the test automation space and enabling the transition to quality engineering. As an active member of mabl’s DEI committee, she spends her spare time on initiatives related to accessibility, inclusivity, and mental health in the workplace.

Jenn Creighton is a senior software engineer at Netflix. She hosts Single Threaded Podcast. Organizer of Women of React 2020 conference & useReact.NYC meetup. Jenn lives in New York with her two cats and maintains a Home for Abandoned Succulents, Mismanaged Plants and Otherwise Ailing Flora. You can find her online - [@gurlcode](https://twitter.com/gurlcode).

Simon Zhong is a Sales Engineer at Sentry with almost 10 years of experience in enterprise software. He attended the University of Edinburgh and is a graduate of University of California, Davis in Computer Science. He is an American born Chinese (ABC) who is a native English speaker with conversational proficiency in Cantonese.

Neil Manvar is an engineer dedicated to helping developers ship quality code quickly. In his free time, you can find him cycling, snowboarding, or cuddling with his dog. He currently works as a Solutions Engineering Manager at Sentry, an Application Monitoring software company that helps software teams discover, triage, and optimize the performance of their code.

Manasa is a seasoned software engineer with 12 years of experience, specializing in event-driven architectures, data engineering, and scalable systems. She has worked for top companies like Splunk, Selector AI, Celcom, Taulia, and RingCentral, and recently spoke at Grace Hopper Celebration 2024, receiving a standing ovation. Passionate about empowering women in tech, she mentors aspiring engineers and shares her journey from intern to lead engineer. Manasa balances career growth with family, continuously striving to lead with emotional intelligence and technical excellence.

As a developer advocate and technical writer at Buddy, Tom takes his love for communication and passion for technology and uses them to break down complex ideas into bites that everyone can swallow. Having worked directly on open-source projects, he is equally passionate about the front and the back-end - be it React, Go, or Kubernetes. In his spare time, he's a guitar-wielding amateur musician who dreams of recording a platinum album.

Software engineer with 10+ years of Java and Golang development experience. Working with large-scale test infrastructure during last 7 years. Maintaining a big Selenium cluster with 5000+ parallel browsers.

Software Developer at ORTEC | Applied Math, Mechanical Graduate from TU Delft

Alem Tuzlak is a software engineer and entrepreneur from Bosnia and Herzegovina, and the Founder of Code Forge. He builds open-source tooling and products in the TanStack ecosystem and React Router/Remix, and is known for creating developer-focused libraries and devtools that help teams build, debug, and ship faster. He is best known for his work on TanStack AI & TanStack Devtools. Alongside his engineering work, Alem teaches and shares practical insights through workshops, writing, YouTube and community work.

I encourage others to see different perspectives and constructively break the rules. Observe - Optimize - Learn - Repeat is my work and life motto. Next to it, I found my joy in building and optimizing end-to-end Machine Learning Systems. Principal Data Solutions Engineer @ LINKIT Organizer (volunteer) @ PyLadies Amsterdam WaiACCELERATE Tech Mentor (volunteer) @ Women in AI

Yama is a data scientist at MyPart, an Israeli startup in the music industry, developing algorithms and researching lyrical and musical song features. In her spare time, she gives tech talks at conferences and meetups (Geektime Code, PyData Tel Aviv, IsraelClouds); and mentors a group of developers through their first steps in the data science world as a part of Baot - Israel’s largest community of senior female engineers and computer scientists. Yama has a B.Sc in mathematics and physics from Tel Aviv University where she also expresses her passion for music by playing the saxophone in the TAU Wind Band.

By day, Maarten supports front-end teams at Essent with their Accessibility and Design System challenges. By night, he tinkers with the Web Platform.

Trish Ta is a Staff Developer Shopify with over 9 years of experience working on web applications. She started her career in creating software for data visualization. She is currently working on front-end libraries that empower developers to build cool things on top of Shopify’s platform.

Founder and CEO, GraphCMS

I’ve spent over 15 years in tech, building products and leading engineering teams that scale. From writing code to shaping strategy, I love solving complex problems and turning ideas into real-world solutions. I believe great products are built by empowered teams, and I’m passionate about creating spaces where engineers can collaborate, innovate, and make an impact.

Clint Cameron is a Product Marketing Manager at Sonar, a leader in software static analysis solutions. He joined Sonar in 2018 and enjoys passionately and transparently promoting the value of SonarSource tools to developers at all experience levels. Previous to Sonar, he has held roles in product and project management, consulting, sales operations and engineering.