Paul Thomas Dziemiela is a geographic information systems professional specializing in RDBMS geospatial solutions.
Jan Espenlaub studied Geography at the University of Freiburg, Germany. He started with GIS in 1980. He has worked for several companies and governmental agencies as a GIS consultant. His main focus is on data management, Oracle Spatial, GIS Interoperability, and open source software. He is currently working with regioData GmbH, leading the GIS Application development group.
John O'Toole is an Oracle database developer with a passion for spatial data. He has been using Oracle technology since 2001 and currently works in Dublin, Ireland, as a consultant with 1Spatial.
He works on projects with cadastral, land registration, ...