Syed Jaffer Hussain has been an Oracle Database Expert for over 14 years in his 20 years of Information Technology (IT) career. Over the past 14 years of his Oracle journey, he has been associated with several local and large-scale international banks where he implemented and managed very complex cluster and non-cluster environments with hundreds of business critical databases. Recognizing his efforts and contribution towards the community, Oracle awarded him the prestigious Best DBA of the year award in 2011, and bestowed him with the Oracle ACE Director status. He has also acquired a number of industry best-Oracle credentials, such as Oracle Certified Master (OCM), Oracle RAC Expert, and OCP DBA 8i, 9i, 10g, and 11g in addition to ITIL expertise.

Syed is an active Oracle speaker. He regularly presents technical sessions and webinars on various Oracle technologies at many Oracle events. You can visit his technical blog at http://jaffardba.blogspot.com, where he discusses and writes about workarounds/solutions for the issues confronted by him in his day-to-day activities.

Apart from being a part of the core Technical Review committee for a few Oracle technology-oriented books, he has also co-authored the books Oracle 11g R1/R2 Real Application Cluster Essentials and Oracle Expert RAC.

Michael Seberg has worked with Oracle since Version 7.3 in programming and administration. In the spring of 2010, Michael took on data protection for his employer, designing a complete failover site for Oracle using Data Guard. He has done extensive testing of switchover, failover, and monitoring of Data Guard. An Oracle generalist, Michael also works with Fusion Middleware, Forms and Reports, PHP, JSP, and Linux. He also does development in PL SQL, Object Pascal, and Java. Michael maintains a large personal website dedicated to Oracle technologies. He is a frequent contributor to the Oracle Technology Network (OTN) forum.

Joel Perez is an expert DBA with over 12 years of specialized experience in several database areas with special focus on high availability and disaster recovery solutions (RAC, RMAN, Data Guard, and so on), upgrades, backup and recovery, database hardening, performance tuning, and others. During these years, Joel has worked as a Senior Consultant with a large number of companies and clients in various countries namely Venezuela, Panama, Costa Rica, Dominican Rep., Haiti, Nicaragua, Guatemala, Colombia, Honduras, Ecuador, Mexico, India, and others. Joel is a frequent speaker at many events such as OTN LAD TOUR. Among other complementary activities, Joel teaches high availability courses in Oracle University of several countries in Latin America and publishes articles for OTN LAD. Joel was the first Latin American to be named OTN Expert in the year 2003. Joel has been an Oracle ACE since 2004 and an Oracle ACE Director since 2012.