Mehul Mohan was born in New Delhi, India, and is completing his education on the Goa Campus at BITS, Pilani as a CSE undergraduate. He is fascinated by programming and the fact that simple programming instructions can perform the most complex calculations known to humans. He primarily works with the MEAN stack. He is the owner of a YouTube channel called codedamn, where he presents screencasts about various programming languages. He has also received many awards from companies such as Google, Microsoft, and Sony through their responsible disclosure programs. He has also authored Learn ECMAScript - Second Edition, which covers ES8 and earlier versions in depth.

Kazuki Muta works at a small start-up called Mobilus Corporation, which provides a real-time communication platform and messaging system called MobiAgent.

As a JavaScript engineer, he develops React.js-based web applications and Node.js-based server-side applications.

Rodrigo Oler is a software engineer with a bachelor's degree in information systems from the University of Franca. He currently works at the a start-up Clubinvest as the lead mobile engineer and principal solutions architect. He also works with several start-ups promoting acceleration in technology products, building robust and high-performance solutions. He has been working with JavaScript since 2012. You can visit him on his website @rodrigooler.tk.