Big into data long before data got big.™ For eight years, Greg Rahn was a Database Performance Engineer at Oracle in Redwood Shores, CA where he specialized in data warehouse performance and benchmarking for customer workloads and proofs of concept (POCs). He commands a strong technical understanding of Oracle database internals and his analytical skills are finely balanced with his interpersonal skills. Greg is an effective communicator and collaborator, as well as a seasoned presenter. He believes in pursuing a detailed understanding of problems, taking ownership, and staying aware of available solutions as a way to understand and serve business needs and is not afraid to serve as a disruptive influence. Greg and finds great satisfaction in applying simple solutions to complex problems and strives to make clients successful. Greg is a self-starter who possesses a strong passion for technology and continually tries to advance his skills in existing and new domains. He is a data-driven expert troubleshooter and understands how to approach difficult problems using the scientific method. Currently his personal interests are in analytics, data science, big data and machine learning. Specialties: Data warehouse & VLDB design and optimization, benchmarking, systems analysis, performance profiling, root cause identification, advanced Oracle database troubleshooting, Oracle Exadata, Oracle Parallel Execution, Oracle Query Optimizer https://twitter.com/GregRahn

Lead Database Performance Engineer @ From December 2013 to September 2014 (10 months) Solutions Architect / Database Performance Engineer @ From May 2012 to December 2013 (1 year 8 months) Principal Member of Technical Staff, Big Data Appliance & Hadoop @ From March 2012 to May 2012 (3 months) Principal Member of Technical Staff, Real-World Performance Group @ From November 2006 to February 2012 (5 years 4 months) Senior Member of Technical Staff, Real-World Performance Group @ From April 2004 to October 2006 (2 years 7 months) Senior Database Administrator @ From October 2000 to April 2004 (3 years 7 months) Senior Database Administrator @ From September 2000 to October 2000 (2 months) San Francisco Bay AreaDatabase Administrator @ From July 1997 to August 2000 (3 years 2 months)

Greg Rahn is skilled in: Big Data, Hadoop, Databases, Oracle, Exadata, Performance Tuning, SQL, Data Warehousing, High Availability, VLDB, Scalability, SQL Tuning, Analytics, Cloudera Impala, Database Design