David Griffiths has been writing code professionally in React for five years, and has created applications for startups, retail stores, vehicle manufacturers, national sports bodies and large software vendors. He has over 10 years experience in writing JavaScript.

Together, David and Dawn have written several books in the Head First Series, including Head First Android Development and Head First Kotlin, and delivered video courses for O'Reilly Media. They are the best people to write this book because they have an in-depth knowledge of the technology, and the experience to explain it concisely and clearly to the reader.

Dawn Griffiths has over 20 years experience working in the IT industry, working as a senior developer and senior software architect. She has written various books in the Head First series, including Head First Android Development (1e and 2e) and Head First Kotlin, and developed The Agile Sketchpad animated video series with David.