Sergei Galperin has extensive experience in database administration and management, currently serving as the Lead Oracle DBA at CME Group since 2011, where responsibilities include supporting over 200 Oracle Instances and managing complex configurations such as RAC and DataGuard. Previously, Sergei worked at Newedge USA, LLC. as Database Manager, leading a team to enhance a multi-terabyte database environment for a global financial organization. Additional roles include Database Team Lead at Calyon Financial, Oracle DBA at The Ticket Reserve, and multiple positions at Unext and McKesson, with a strong background in supporting production databases and executing system upgrades. Sergei's career commenced with a consultant role at CSC Consulting, and educational qualifications include studies at DePaul University.