James Parton created and ran developer programs for O2 and Telefonica, before joining Twilio as their first hire outside of the US to launch and run their EMEA business until IPO. James has also completed successful two-year board positions with the Application Developer Alliance and the Mobile Ecosystem Forum.
Caroline Lewko has been in the mobile and tech sector since 1995, helping develop ground-breaking tech and nurturing community connections and innovation. She started WIP, the first boutique developer relations agency in 2006, and has worked for companies ranging from the top ranks of the Fortune 500 to start-ups with an array of technologies from mobile to machine learning.

Both authors have operated at leadership level in both startup and corporate DevRel organisations, and run their own consulting businesses. They are passionate about the subject, want to actively improve the understanding of DevRel, and assist with its professionalization.