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!

Sam Stepanyan
OWASP London Chapter Leader, UK
Sam Stepanyan is an OWASP London Chapter Leader and an Independent Application Security Consultant with over 20 years of experience in the IT industry with a background in software engineering and web application development. Sam has worked for various financial services institutions in the City of London specialising in Application Security consulting, Secure Software Development Lifecycle (SDLC), developer training, source code reviews and vulnerability management. He is also a Subject Matter Expert in Web Application Firewalls (WAF). Sam holds a Master’s degree in Software Engineering and a CISSP certification.

Will Voelker
Aldeia, Portugal / UK
Will divides his time between web development and teaching, and has ever since 2005, when he started his web development career removing duplicate data from his friend's map-based property search app. Since then he has coded and taught in diverse contexts, from national newspapers to the shores of the Atlantic ocean. A qualified school-teacher, he is nevertheless passionate about alternative forms of education. He has spent the last two years researching and building his home-ed support platform, Aldeia (using React, obviously).

Miroslav Malecha
Bonitoo, Czech Republic
Miroslav Malecha is Director of Product management at Bonitoo.io. He has a background in computer science and has been focused on defining software products in data science, enterprise architectures and cloud computing. Prior to joining Bonitoo, Miroslav held product management positions at Good Data and Hewlett-Packard Software. When Mirek is not working, you can find him speeding down hills on his ebike in the forests near Prague.

Kristina J. Robinson
Influxdata, USA
Kristina J. Robinson is a Software Engineering Manager at InfluxData. With over 20 years of software development experience, she is thrilled to be a part of the InfluxData UI team. Most recently, Kristina spent time in the financial tech sector working as front-end developer. Kristina graduated from Rice University with a degree in Computational and Applied Mathematics. She currently lives in San Antonio, TX, with her husband and teenage son, and has another son in college. She also has two cats, and fosters dogs and cats frequently. She plays video games with both her boys. She reads voraciously, enjoys paper crafts and knitting, and plays several musical instruments.

Jennifer Gray
Shopify, Canada
Jennifer is a front end developer on the Docs and API Libraries team at Shopify where our goal is to make it easier for developers to build on Shopify’s platform by creating and curating technical resources. Jennifer has spent the last two years working on shopify.dev, Shopify’s home for developer documentation.

Kat Kmiotek
Zoopla, Scotland
Kat works as Quality Engineer at Zoopla. Tried lots of paths: fine arts, comparative literature, social psychology and cognitive science studies before discovering the most enjoyable so far tech path. Kat solves automation testing challenges at work and jigsaw after work. Lives in Scotland.

Ante Tomić
Infobip, Croatia
Ante is a skilled and hearing-impaired Senior Software Engineer at Infobip with a strong interest in Web and the technical side of it. With permanent 55% hearing loss in both ears, he’s a testament to the power of determination and hard work which often speaks louder than words. He has a big love and soft spot for rubber ducks and excels at presenting and educating, React, JavaScript, Node.JS, build processes, automation and improving developer and customer experiences. He always shares his own experiences, especially in accessibility. Ante's goal is to always improve, making things more efficient and user-friendly.
When he steps away from coding, Ante enjoys discovering new music, long and scenic walks, and capturing the beauty of the world through his hobby of photography, traveling, and travel blogging. As a big extrovert at heart, he’s always up for sharing a laugh, interesting travel stories, or discussing the latest tech topics. Approachable and driven, Ante shows that hearing impairment is just a part of his journey, not the end of his story. If you have a moment, his doors are always open for a chat, so don't hesitate to start a discussion with him - he is more than happy to connect and talk with you!

Mike Ryan
Polaris, USA
Mike Ryan is the co-founder of Polaris, an AI-powered site reliability platform. Mike is a Google Developer Expert specializing in software architecture. Mike has a strong background in working with IoT in industrial manufacturing and designing sophisticated and elegant user experiences. When not in front of his MBP you can find Mike hiking the backcountry in the Pacific Northwest.

Gavin Ray
Hasura, USA
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.

Luke Ehresman
Gazelle, USA
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
mabl, USA
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
Netflix, USA
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
Sentry, USA
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.









