PHP Development In The Cloud (php|tek edition)

PHP in the Real World

27 Ways To Be A Better Developer (PHPBenelux 2011)

Own Your Apps

The Business Case For Telecommuting

Building an SSO platform in php (Zendcon 2010)

PHP in a mobile ecosystem

PHP in a Mobile Ecosystem (Zendcon 2010)

Integrating PHP With System-i using Web Services

Apps, apis, third party services (Droidcon)

Enterprise PHP (php|works 2008)

Dynamic Languages In The Enterprise (4developers march 2009)

Php Development In The Cloud