Konrad is a late-night hakker working on the Akka toolkit at Lightbend. He has contributed to most of its modules, including core Actors, Persistence, Clustering as well as the upcoming Typed modules. He was the main maintainer of Akka HTTP during its transition from Spray, and also participated in the Reactive Streams initiative, where he worked on the TCK. He founded and leads multiple user groups including the GeeCON conference, and frequently shares his findings in talks and workshops internationally. His interests range from high performance to distributed systems. He also was recently named Java Champion, as acknowledgement of his community building and other achievements.