I'm a programmer since 1996 and Principal Software Engineer at Elastic. I'm the maintainer of Elasticsearch PHP library and co-author of many open source projects: Apigility, Expressive, Zend Framework. I'm core committee member of PHP-FIG. TEDx and international speaker in 110+ conferences. Author of many articles about PHP and web development. Adjunct Professor at ITS ICT Piemonte of Turin. Co-founder of PHP User Group of Turin (Italy).