Diego Castorina is a Software Engineer with more than 7 years of experience building Web Applications and SOA Systems.

After graduating in Computer Science at the University of Catania, Sicily, he moved to work in the Netherlands first and in the Czech Republic afterwards.

He has extensive knowledge and experience with Java, Ruby, Scala, and JavaScript, of course.

During the past couple of years he has focused his attention on JavaScript because of the fundamental role of the language in the future of the Web.

Prateek Dayal is the co-founder of SupportBee. In SupportBee, he works with a great technology team to build the world's best collaborative customer support software. He is a Ruby on Rails and JavaScript programmer by training, but he is now trying to learn the ropes of business in his new CEO role. He is also writing a book on 'Building Single Page Web Applications' that will be available free of cost at sin glepagebook.supportbee.com.

Prateek enjoys traveling and working from new cities and countries. He is currently in Vietnam exploring Vietnamese food and culture. He is happy to be your tour guide if you are visiting Vietnam. Tweet to him @prateekdayal.

Zeno Rocha used to work as a software developer at Petrobras, (the largest company in Latin America) and Globoesporte.com (the most accessed sports website in Brazil), now he's a front-end engineer at Liferay focused on the AlloyUI project. Besides, he's a writer at Smashing Magazine, host at Zone Of Front-Enders podcast, and co-founder of BrazilJS Foundation. At only 22 years of age, he's one of the top 20 most active users on GitHub and a reference in Brazil, when the subject is frontend development.

Sergey Simonchik is a software developer living and working in Saint-Petersburg, Russia. He is lucky because he has a wonderful wife and a kind cat. Sergey develops WebStorm IDE at JetBrains. He is working on improving JavaScript unit testing support and other IDE features.