Joe Johnson is an OCP in database administration with more than six years of experience with Oracle databases. He is currently a senior DBA for Greenbriar & Russel in Milwaukee. He also worked as a senior instructor for Greenbriar & Russel's Oracle-Approved Education Centers.

Matthew Weishan is an OCP and Certified Technical Trainer with more than seven years of experience with Oracle databases. He is currently the Content Services Architect for Kedestra, which develops Internet-based collaboration services and content syndication for the commercial real estate industry. Formerly, he was a senior instructor specializing in the Oracle DBA curriculum for Greenbrier & Russel. He has over 16 years of experience in the IT industry and has worked as a senior system analyst, lead consultant, and lead database administrator for several Fortune 500 companies.