Zeev Suraski is one of the principal authors of the PHP programming language – in which WordPress is written. Zeev co-created PHP 3 and spearheaded PHP 4 – which turned PHP into the most popular development language in the world for Web apps, contributed to PHP 5 and led the team which developed the groundbreaking PHP 7 engine. Zeev co-founded Zend Technologies in 1999 and served as its CTO for almost 20 years, before joining Strattic and making WordPress his full-time job.