Daniel Bryant is the Chief Scientist at OpenCredo and CTO at SpectoLabs. He currently specialises in enabling agility within organisations by introducing better requirement gathering and planning techniques, focusing on the relevance of architecture within agile development, and facilitating continuous delivery. Daniel's current technical expertise focuses on 'DevOps' tooling, cloud/container platforms, and microservice implementations. He also contributes to several open source projects, writes for InfoQ, O'Reilly, and Voxxed, and regularly presents at international conferences such as QCon, Devoxx and JavaOne.

Abraham Marín-Pérez is an independent Java and Scala programmer, author, public speaker, and Agile consultant. He helps organizations achieve their objectives through a number of varying challenges, both technical and non-technical, with a special focus on Continuous Delivery. He also helps run the London Java Community, and contributes as a Java Editor at InfoQ.