Sebastian Daschner is a Java freelancer working as a consultant and trainer and is enthusiastic about programming and Java (EE). He participates in the JCP, helping to form future Java EE standards, serving in the JSR 370 and 374 Expert Groups, and collaborating on various open source projects. For his contributions to the Java community and ecosystem, he was recognized with the titles Java Champion and Oracle Developer Champion.

Sebastian is a regular speaker at international IT conferences, such as JavaLand, JavaOne, and Jfokus. He won the JavaOne Rockstar award at JavaOne 2016. Together with Java community manager, Steve Chin, he has traveled to dozens of conferences and Java User Groups on motorbike. Steve and Sebastian have launched JOnsen, a Java unconference held at a hot spring in the countryside of Japan.