Nicholas C. Zakas is an independent software engineer, consultant, coach, and has authored over a dozen books. He created the ESLint open source project and has worked on everything from small websites to massive-scale web applications. He has worked at Box as a principal architect and Yahoo as a presentation architect. Nicholas is a strong advocate for development best practices including progressive enhancement, accessibility, performance, scalability, and maintainability.

Ronen Elster is a highly experienced front-end developer. With a passion for building robust and user-friendly applications, Ronen has been actively involved in the software industry for over a decade. He has consulted at notable companies like Augury, a leading technology company, where he contributed to cutting-edge projects and honed his expertise in software development. Additionally, Ronen is a freelancer at TopTal, leveraging his skills to provide top-notch solutions to clients worldwide. As a front-end developer, Ronen has a deep understanding of JavaScript and its frameworks.