John is an experienced author, speaker and trainer specialising in Agile Delivery Practices currently based in London. An international speaker well known in the Agile community for his many published articles and presentations, particularly in areas such as BDD, TDD, test automation, software craftsmanship and team collaboration, John helps organisations and teams around the world deliver better software sooner and more effectively both through more effective collaboration and communication techniques, and through better technical practices.

John is also the author of 'BDD in Action', 'Jenkins: The Definitive Guide', and 'Java Power Tools', and lead developer of the Serenity BDD test automation library.