Andi Gutmans
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Andi Gutmans (Hebrew: אנדי גוטמנס) is an Israeli programmer with Swiss roots, PHP developer and co-founder of Zend Technologies. A graduate of the Technion, Haifa, Gutmans and fellow student Zeev Suraski created PHP 3 in 1997. In 1999 they wrote the Zend Engine, the core of PHP 4, and founded Zend Technologies, which has since overseen PHP advances. The name Zend is a portmanteau of their forenames, Zeev and Andi.
Gutmans is a member of the Apache Software Foundation, and was nominated for the FSF Award for the Advancement of Free Software in 1999.
In 2004 he wrote a book called "PHP 5 Power Programming" together with Stig Bakken and Derick Rethans.