About the Reviewers

Ehsun Behravesh is a 27 year old software engineer with Khorasan Newspaper (http://www.khorasannews.com) in Mashhad, Iran. He holds a Bachelors degree from London Metropolitan University (http://www.londonmet.ac.uk/). He started programming when he was in high school and has developed software systems for almost 10 years. He is a fan of open source software and one of his open source projects, MyPasswords (http://sourceforge.net/projects/mypasswords7/), won a comparison competition in Linux Format, Jan 2011 magazine. He loves computer programming, music, and animals.

David Allan has 20 years of experience in software development and over 10 years of experience in data warehouse tooling. In his current role, he is one of the architects responsible for Oracle's data integration portfolio, and as such, he takes a leading role in working with Oracle Warehouse Builder and Oracle Data Integrator. David is well-known for his blog on Oracle Warehouse Builder where he provides users with real-world examples and in-depth product knowledge.