Sten E. Vesterli picked up Oracle development as his first job after graduating from the Technical University of Denmark and hasn't looked back since. He has worked with almost every development tool and server Oracle has produced in the last two decades, including Oracle ADF, JDeveloper, WebLogic, SQL Developer, Oracle Portal, BPEL, Collaboration Suite, Designer, Forms, Reports, and even Oracle Power Objects. He started sharing his knowledge with a conference presentation in 1997 and has given more than 100 conference presentations at Oracle OpenWorld and at ODTUG, IOUG, UKOUG, DOAG, DOUG, and other user group conferences around the world since. His presentations are highly rated by the participants, and in 2010 he received the ODTUG Best Speaker award. He has also written numerous articles, participated in podcasts, and written Oracle Web Applications 101, Oracle ADF Enterprise Application Development – Made Simple, and Developing Web Applications with Oracle ADF Essentials. You can find his blog at www.vesterli.com and follow him on Twitter as @stenvesterli. Oracle has recognized Sten's skills as an expert communicator on Oracle technology by awarding him the prestigious title, Oracle ACE Director, carried by less than 100 people in the world. He is also an Oracle Fusion User Experience Advocate and sits on the Oracle Usability Advisory Board and participates in the Oracle WebLogic Partner Council. Based in Denmark, Sten is a partner in the Oracle consulting company Scott/Tiger, where he works as a senior principal consultant. When not writing books or presenting, he is helping customers choose the appropriate technology for their needs, teaching, mentoring, and leading development projects. In his spare time, Sten enjoys triathlon and completed his first Ironman in 2012.