Luis Sempé has had the privilege of developing AAA games professionally for the past ten years, his passion for game development has driven him to develop expertise in multiple disciplines. During his career he has developed systems and features in graphics, gameplay, user interfaces, video, localization, game engine and tools development. User interface development has been a staple of his programming career, designing and implementing UI systems for Medal of Honor: Pacific Assault, Army of Two and the critically acclaimed Deus Ex Human Revolution. In the June/July 2010 issue of Game Developer Magazine he shared his design for the technology that drives the conversation system and game character interactions in Deus Ex Human Revolution. When he is not developing games professionally, he often finds himself developing games as a hobby and participating in the independent gaming communities.