Kevin Kline is a noted database expert and software industry veteran. A Microsoft SQL Server MVP since 2004, Kevin is a founder and former president of the Professional Association for SQL Server ([...]) and the author of many popular IT books. Kevin is also a top-rated speaker at industry trade shows worldwide.

Regina Obe is co-principal of Paragon Corporation ([...]), a database consulting company based in Boston. She has close to 30 years of professional experience in various programming languages and database systems, with special focus on PostgreSQL and PostGIS spatial database extension for PostgreSQL. She is a member of the PostGIS steering committee and development team. She is a coauthor of several database books with her husband, Leo Hsu.

Leo Hsu is co-principal of Paragon Corporation, a database consulting company based in Boston. He has over 25 years of professional experience developing and thinking about databases for organizations large and small. He also holds a lectureship at Tufts University, teaching SQL to graduate level students. He has coauthored several database books with his wife Regina Obe.