Tanel P der is one of the leading Oracle performance specialists in the world, having helped solve complex problems for customers in more than 20 countries on five continents. He specializes in advanced performance tuning, end-to-end troubleshooting, and other complex (and therefore interesting) tasks, such as migrating very large databases with minimal downtime. Tanel has optimized the performance of Exadata installations, starting from Exadata version 1, and he plans to go even deeper with his current Exadata performance and troubleshooting research. He is one of the first Oracle Certified Masters in the world, an Oracle ACE Director, and a proud member of the OakTable Network. Tanel regularly speaks at conferences worldwide and publishes his articles, scripts, and tools in his blog at http://blog.tanelpoder.com.