Check out the presenters listed below.

Jorge Rimblas, Insum Solutions

Jorge Rimblas has been implementing solutions with Oracle products since 1995. He started using APEX when it was known as HTML DB since version 1.6. Since 2008, APEX is all he does. His areas of expertise include Oracle Application Express (APEX), web technologies, Oracle E-Business Suite, and Oracle Databases and products. He has deep industry knowledge in the automotive, pharmaceutical, food, logistics providers, financial services, and retail sectors, among others. As an instructor, he has taught APEX to dozens of people. In addition to his UI and theme work experience, Jorge is an Oracle ACE and an avid problem solver who thrives in finding elegant and efficient solutions. He's a regular speaker at conferences such as OOW, RMOUG Training Days, and ODTUG Kscope. You can follow Jorge on Twitter @rimblas and via his blog