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!
Marco Cedaro
Marco Cedaro
Storio Group, UK
Webmaster before it was cool, pixel pusher, javascript-something, conference organiser, father of two, but mostly known for yelling at clouds.
Nikita Golovko
Nikita Golovko
Siemens, Germany
Dr. Nikita Golovko is a seasoned Solution Architect with over 16 years of experience in designing scalable, secure, and cost-effective software architectures for industrial and business-critical systems. With a strong academic background and research in machine learning, he bridges the gap between advanced AI technologies and real-world applications on the shop floor. Nikita has led full project lifecycles—from requirements and architecture design to deployment—ensuring compliance with security and industry standards. He is known for translating business needs into robust architectures and aligning cross-functional teams. Passionate about innovation and sustainability, he focuses on applying AI, IoT, and edge computing to drive continuous improvement in industrial environments.
Tiki Lobel
Tiki Lobel
Rapyd, Israel
Tiki Lobel is a fintech software developer who leads a team at Rapyd to liberate global commerce and connect the world’s disparate payment systems into a single integrated network. Her team focuses on core API development and Tiki’s ability to handle multiple projects simultaneously, and her understanding of complex dependencies within a larger system, make her an integral part of all product development in the company.
Amber Shand
Amber Shand
She Bytes Back, UK
Amber is an international speaker and founder of She Bytes Back. She’s racked up 90+ talks in the last three years, loves making audiences laugh, and is usually the loudest cheerleader in the room (in the best possible way). When she’s not on stage, she’s building She Bytes Back, hosting events, and finding new ways to make confidence contagious.
Tom Occhino
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.
Marissa Masangcay
Marissa Masangcay
Cloudinary, USA
Marissa Masangcay is a Technical Marketing Specialist for Cloudinary and has worked for the company since 2017. She has also served as one of Cloudinary’s Developer Support Engineers, where she responded to customers’ technical support requests and feature-related questions, as well as debugged customer issues and wrote code samples in multiple development frameworks. She has also served as a volunteer instructor for Girls Who Code, which is a nonprofit dedicated to teaching girls in grades 6-12 the fundamentals of coding. Marissa graduated with her bachelor’s degree in computer science from the University of San Francisco.
Dominik Göpel
Dominik Göpel
Vite & Svelte Maintainer, Germany
Software developer with more than 20 years of professional experience. Team member of Vite and Svelte.
Daniel Hervás
Daniel Hervás
Reckon Digital, Spain
Daniel is a software engineer with a background in first, local, and then international and VC-backed startups. He's now the lead engineer at Reckon Digital, where he directs and coordinates several projects with clients such as the UN's World Food Programme.
Richard Davison
Richard Davison
AWS, Sweden
Richard is a Sr. Partner Solutions Architect at AWS focusing on Application modernization using Serverless and Containers. During his 3-year tenure at AWS he has played a pivotal role assisting partners & customers in various industries with their cloud adoption and modernization strategies. Richard collaborates with the development teams and engineering leaders to optimize software delivery in the cloud, emphasizing best practices and AWS's capabilities.
Timo Hoogland
Timo Hoogland
Netherlands
Livecoder, music technologist, educator. creative coding for sound, visuals and algorithmic compositions. maxmsp, jitter, javascript, pd, p5.js, mercury.
Nancy Choi
Nancy Choi
Millennial Executive, Netherlands
Nancy is a Millennial Executive at a Fortune 500 company as well as a certified Executive and Career Coach. With a 15-year career in innovative startups and large companies, she understands the challenges of Modern Leadership intimately. Nancy works with modern leaders to navigate their career and leadership with more confidence, purpose, and impact.
Iker Jusue
Iker Jusue
Fractional / Interim Talent & People Leader, UK / Spain
Iker Jusue is a freelance advisor, consultant, and people leader in the UK and Spain. He has more than 10 years of professional experience leading talent acquisition and human resources teams and projects across Europe and North America, specializing in sourcing, operations, talent insights, diversity, employer branding, and HR technology. He has worked with companies such as Microsoft, McKinsey, IQVIA, Oracle, or ThoughtWorks, or start-ups as Alan, Casumo, and Silicon Gears (TTTech Auto). He is also the first non-native English speaker to win the SourceCon Grandmaster title in 20191, as well as the first Sourcing Summit Europe Hackathon winner in 20172. He helps business and HR leaders to enhance their teams and strategies with his expertise and guidance in people and talent acquisition. He is passionate about finding innovative solutions for the challenges of the modern workforce.
Emanuel Scirlet
Emanuel Scirlet
AWS - Sr. Cloud Application Architect, Switzerland
I'm Emanuel - Sr. Cloud Application Architect at AWS and I am helping customers to build modern, secure and scalable application on AWS. I evangelize the user of serverless technologies to allow customers to focus on their business.
Dara Olayebi
Dara Olayebi
Spotify, UK
Dara is a Software Engineer currently working at Spotify where she develops tools and services that provide internal teams with access to user account data. She began her career as a Frontend Engineer in the finance sector, and recently transitioned into full-stack development. With over 6 years of hands-on experience, Dara is particularly passionate about merging her creative and technical skills to design and build user-centric products that foster community. Outside of work, she loves to mentor other women who are at an early stage in their tech careers.
Dora Makszy
Dora Makszy
Norway
Dora Makszy, an experienced product design lead, focuses on seamless product delivery through efficient collaboration with cross-functional teams, especially developers. With over 17 years of international experience in various roles (developer, business analyst, manager and mainly a designer), she has a comprehensive understanding of the entire process.
Michael Hoffmann
Michael Hoffmann
Freelancer, Germany
Senior Frontend Developer & Freelancer
Akshay Ranganath
Akshay Ranganath
Cloudinary, USA
Akshay Ranganath is a Solution Architect at Cloudinary responsible for bringing customers on-board, helping them create work-flow for media management and media delivery. While not working, you'll find him holding camera and indulging in some photography.
Dmitry Soshnikov
Dmitry Soshnikov
Microsoft, Russia
Dmitry is a Microsoft veteran, working for more than 13 years. He started as a Technical Evangelist, and in this role presented on numerous conferences, including twice being on stage with Steve Ballmer. He then worked for 2 years as Senior Software Engineer, helping big European companies to start pilot digital transformation projects based on AI and ML. As Cloud Developer Advocate, Dmitry focuses on creating educational content and working with academic and research institutions. He is also an Associate Professor at MIPT, HSE and MAI in Moscow, a big fan of functional programming and F#, and a maintainer/primary developer of mPyPl library. In his spare time, Dmitry explores Science Art and Technological Magic, as well as performs Chinese tea ceremonies. He can be reached at soshnikov.com.
Dipanjan Sarkar
Dipanjan Sarkar
Applied Materials, India
Dipanjan (DJ) Sarkar is a Data Science Lead at Applied Materials, leading advanced analytics efforts around computer vision, natural language processing and deep learning. He is also a Google Developer Expert in Machine Learning. He has also been recently recognized as one of the Top Ten Data Scientists in India, 2020 by Analytics India Magazine & TechGig. Dipanjan has advised and worked with several startups as well as Fortune 500 companies like Intel and Open Source organizations like Red Hat (now IBM). He primarily works on leveraging data science, machine learning and deep learning to build large- scale intelligent systems and evangelizing data science to the community. Dipanjan is also a published author, having authored several books on R, Python, Machine Learning, Natural Language Processing, and Deep Learning.
Leo Goldfarb
Leo Goldfarb
Albato, Portugal
With 15+ years in Digital Marketing and Tech, Leo has built and led numerous high-performing teams and streamlined key business operations. He spent 5+ years as COO at iProspect, a major performance marketing agency within the Dentsu group. Prior to that, he held roles as a marketing expert at Booking.com and as a business consultant for IBM, Microsoft, and Hewlett-Packard. Currently, at Albato, a no-code integration platform, Leo leads customer acquisition and business development efforts. Albato helps SaaS companies drive growth and enhance customer experience through native, embeddable API integrations.
Rodrigo Donini
Rodrigo Donini
Toptal, Spain
Rodrigo is a focused developer who produces digital projects for agencies around the world. He has 20 years of experience using various methodologies and tech in most web and mobile projects. He has a strong knowledge base of the WordPress world and is very engaged with the community: building custom themes, plugins, and core customizations. He specializes in WordPress, developing for the front-end back-end and in managing digital projects.
André Bauer
André Bauer
bettermarks, Germany
André is a seasoned developer with over 20 years of experience and is currently a Principal Engineer at bettermarks, a Berlin-based EdTech company. When AFK, he loves biking, watersports and woodworking.
Mia NASR KHNEISSER
Mia NASR KHNEISSER
l’Oréal, France
I am a lead full-stack developer at l’Oréal, leveraging 7 years of expertise. Starting as a data scientist, my curiosity for web components led to a seamless transition into full-stack development, where I challenge myself everyday. Aside from tech, I love board games and sport in general.
Amit Mandelbaum
Amit Mandelbaum
AI21 labs, Israel
Amit Mandelbaum is a tech lead at AI21 labs, prior to joining AI21 labs Amit was an entrepreneur in the field of GenAI and a Director of AI at Nvidia. Amit is also an Angel investor in the field of AI and is a known keynote speaker and consultant on GenAI agents.