Shivam Dixit is an enthusiastic web developer and a hacker. He has years of experience in both developing and breaking web applications. He actively contributes to open source projects since his participation in Google Summer of Code as a student. He is closely involved with a nonprofit organization called Open Web Application Security Project (OWASP) that makes web applications more secure. He loves to solve algorithmic problems and is a passionate, competitive programmer. You can read about his experiences on his blog at http://shivamdixit.com/ or on Twitter at @shivamd001.

Poojan Khanpara is a computer enthusiast and a tinkerer at heart with a knack for building cool things. He earned his Bachelor's degree in Computer Engineering from Birla Vishvakarma Mahavidyalaya College, India, and is a graduate student at the University of Texas at Dallas, USA. He has experience in a variety of fields in computer science, from designing algorithms to big data.

Phil Nash is a web developer who lives and works in London. He has worked in the web industry for more than 7 years, specializing in Ruby, JavaScript, and frontend development. During that time, he built web applications for products and campaigns and enjoyed rapid prototyping in Ruby on Rails. He maintains and contributes to several popular RubyGems.

Phil works as a developer evangelist for Twilio, supporting developer communities in London and around Europe. You can find him in real life attending or speaking at conferences and meetups. His writing can be found online on the Twilio blog, on Twitter as @philnash or at http://philna.sh.