Andi Gutmans is an Israeliprogrammer and entrepreneur. He is a PHP developer and co-founder of Zend Technologies. A graduate of the Technion, the Israel Institute of Technology in 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, including the current PHP 5 release. The name Zend is a portmanteau of their forenames, Zeev and Andi.