Brad Williams is the co-founder of WebDevStudios.com, organizes and speaks at WordPress events, and is the coauthor of Professional WordPress Plugin Development.
David Damstra is the Vice President of Professional Services for CU*Answers, where his team of developers empowers clients with WordPress.
Hal Stern is a VP at Juniper Networks and is the coauthor of Blueprints for High Availability.
Wrox Professional guides are written by working developers to address everyday needs. They provide examples, practical solutions, and expert education in new technologies, all designed to help programmers do a better job.