David C. Knox is the senior director of the Solution Engineering division for Oracle North American Sales and Consulting.Scott G. Gaetjen is a technical director in Oracle's National Security Group (NSG).Hamza Jahangir has been a principal security specialist at Oracle as since 2004.Tyler Muth nbsp;is a solution architect with Oracle Public Sector specializing in database and application security.Matt Piermarini is technical director of NSG Engineering at Oracle with a focus on Java, Identity Management, and SOA security.Patrick Sack, chief technologist and technical vice president, runs the Product Engineering division for Oracle's National Security Group.Richard Wark , CISSP, is a… principal technologist in Oracle's Technology Business Unit.Bryan Wise is a business intelligence solution specialist for Oracle's Public Sector division.