Hendrik Ebbers is Java developer at Karakun AG and lives in Dortmund, Germany. He is the founder and leader of the Java User Group Dortmund and gives talks and presentations in User Groups and Conferences. He’s blogging about UI related topics at www.guigarage.com (or on Twitter @hendrikEbbers) and his JavaFX book „Mastering JavaFX 8 Controls“ was released 2014 by Oracle press. Hendrik is JavaOne Rockstar, JSR expert group member and Java Champion.