Guenadi Jilevski is a Senior Oracle Professional with more than 20 years of industrial experience in high end Oracle technology starting with Oracle RDBMS version 6 up to 11g. He has been involved with multi platform High Availability Solutions starting with OPS and Veritas and Sun cluster as well as complex multiple node RAC 9i, 10g and 11g implementations on AIX, Linux, Solaris, and HP. He has experience in deploying disaster recovery solutions with standby databases compliant to Oracle MAA and third-party solutions such as Shareplex and Goldengate. As a former employee of Oracle Corporation Advanced Technology Solutions Consulting Practice in the Americas, Guenadi has been involved in multiple visible high-end projects for RAC enabling EBS, Peoplesoft, Siebel ERP applications, end-to-end performance tuning, architectured High Availability, and Disaster Recovery solutions to name a few. Presently he is working as a Senior Oracle Consultant in EMEA. He is a speaker on Oracle User Groups and also instructs users through his blog: "Oracle RAC, DG, EBS, DR and HA DBA". Guenadi is Oracle OCP 7, 8, 8i, 9i and Oracle OCM, Teradata Certified DBA, Informix Certified DBA.