Octavia Andreea Anghel
Senior PHP developer currently working as a primary trainer for programming teams that participate at national and international software-development contests. She consults on developing educational projects at national and international level. She was coordinating in European Job and Career, International Comenius project along with Spain, Italy, Turkey and Czech Republic countries. She is a co-author of the book XML technologies—XML in Java and at the moment is working at an online course to teach PHP for Udemy website.

Claudio Corlatti
Born in Argentina, the author has been in love with programming since his early schooldays. Has been working since 2006 in one of the largest retail company of his country as a programmer. Always passionate about new technologies, has been working in various personal and freelance projects too.
Now working in a new expenses tracking and saving web application integrated with banks information at www.al-centavo.com
Contact the author at: corlatti@gmail.com or http://ar.linkedin.com/in/claudiocorlatti

Michael Gray
He is middleweight PHP LAMP developer, He has been working
commercially for four years, however has accrued approximately more than 6
years.
He has worked on several very large commercial projects involving such
companies as Rolls Royce, Mandarin Continental Hotels.
In his spare time he like to code, play guitar and he is interested in
games development and visual / audio engineering.

Marco Mocellini
Co-founder, CEO and IT Project Manager of Inode SRL, an italian
web agency specialized in open source web solution.
He develop php applications from about 10 years and since 2007 he use
technologies such as ZendFramework, Jquery, Typo3.
Contact the author at: marco.mocellini@inode.it

Dave Stokes
MySQL Community Manager for Oracle. Previously he was the MySQL Certification Manager for MySQL AB and has worked for companies alphabetically from the American Heart Association to Xerox. He has been using MySQL since version 3.23 and PHP when it was known as Personal Home Page