Sam Millman, after achieving a B.Sc. in Computing from the University of Plymouth, immediately moved to advance his knowledge within Web development, specifically PHP. He is a fully self-taught professional Web Developer and IT Administrator working for a company in the south of England.

He first started to show an interest in MongoDB when he went in search of something new to learn. Now he is an active user of the MongoDB Google User Group and is about to release a new site written in PHP with MongoDB as the primary data store.

Sigert de Vries (1983) is a professional Web Developer working in The Netherlands. He has worked in several companies as a System Administrator and Web Developer. He is a specialist in high performance websites and is an open source enthusiast. With his communicative skills, he translates advanced technical issues to "normal" human language.

Sigert is currently working at Worldticketshop.com, helping them to be one of the largest ticket marketplaces in Europe. Within the company, there's plenty of room to use NoSQL solutions such as MongoDB.

Vidyasagar N V was interested in Computer Science since an 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 and Data Expert, developing and building scalable systems. He has worked with a variety of 2nd, 3rd, and 4th generation languages. He has 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 big database-structured data-extraction techniques for the Web and local information. He enjoys producing high-quality software, web-based solutions, and designing secure and scalable data systems.