Zeeshan Chawdhary is the CTO of Wcities Inc., a location-based travel content provider, running technical operations from their Technical Headquarters in Mumbai.

He is a do-it-all and code-in-any-language guy, having worked with various technologies from 3D gaming to consumer websites, from iPhone apps to serving over 30 million hits over the Cloud.

He is currently writing two real-world-use books with Packt Publishing which are, iPhone Location Aware Applications by Example - Beginners Guide and Windows Phone 7.5 - Building Location Aware Applications.

He can be reached at imzeeshan on Twitter. He currently blogs at http://justgeeks.in.

Ty Lim has been in the IT industry for over 15 years. He has worked for several startup companies in the mid 1990s and found himself working at several major corporations after his stint in Silicon Valley. He has worked in the following industries: Software Development, Consulting, Healthcare, Telecommunications, and Finance. He has experience in utilizing JBoss, Tomcat, and WebSphere middleware technologies. He holds a Bachelor of Science degree in Computer Science from the University of the Pacific, and is currently pursuing a Master of Science degree in CIS from Boston University.

He has also worked on IBM WebSphere Application Server v7.0 Security, Packt Publishing.

Vidyasagar N V was interested in Computer Science since his early age. Some of his serious work in computers and computer networks began during his high school days. Later, he went to the prestigious institute of technology, Banaras Hindu University for his B.Tech. He has been working as a Software Developer, Data Expert, developing and building scalable systems since then. He has worked with a variety of 2nd, 3rd, and 4th generation languages. He has also worked with Flat files, Indexed files, Hierarchical databases, Network databases, Relational databases, NoSQL databases, Hadoop, and related technologies.

Currently, he is working as a Senior Developer at Ziva Software Pvt. Ltd, developing a big data-based structured data extraction technique from the Web and local information. He enjoys producing high-quality software, web-based solutions, and designing secure and scalable data systems.

He has also worked on PHP and MongoDB Web Development Beginner's Guide, Packt Publishing.

He can be reached at <[email protected]>.