Check out the presenters listed below.

Presenters:
Charles Kim, Viscosity North America

Charles Kim is an Oracle ACE Director, VMware vExpert, Oracle certified DBA, certified Exadata specialist, and a certified RAC expert. Charles specializes in RAC, virtualization, and ha authored nine books:  
  • Oracle Database 11g New Features for DBA and Developers
  • Linux Recipes for Oracle DBAs
  • Oracle Data Guard 11g Handbook
  • Virtualizing Business Critical Oracle Databases: Database As A Service
  • Oracle ASM 12c Pocket Reference Guide
  • Exadata Expert Handbook
  • Virtualizing Hadoop
  • Solaris and Linux Recipes for Oracle DBAs
  • Oracle Cloud Pocket Solutions Guide
Charles holds certifications in Oracle, VMware, Red Hat Linux, and Microsoft and has over 25 years of Oracle experience on mission and business-critical databases. Charles presents regularly at local, regional, national and international Oracle conferences including IOUG Collaborate, VMware World, and Oracle OpenWorld on topics of RAC, Exadata, database as a service, database consolidations, private database cloud, ASM, Linux best practices, Data Guard best practices, performance tuning, VMware Virtualization best practices, Oracle Database virtualization, and 7×24 high availability considerations. Charles is the technical editor of the Automatic Storage Management book by Oracle Press and blogs regularly at http://blog.dbaexpert.com
Charles is the current president of the Cloud Computing SIG for the Independent Oracle User Group. Charles. His linkedin profile is:  http://www.linkedin.com/in/chkim
His twitter tag is:  @racdba