About the Authors
Regina Obe is a coprincipal of
Paragon Corporation, a database consulting company based in Boston. She
has more than 20 years of professional experience in various programming
languages and database systems, with special focus on spatial databases.
She is a member of the PostGIS steering committee and the PostGIS core
development team as well as the pgRouting and GEOS development teams. Regina holds a BS degree in mechanical engineering from the Massachusetts Institute of Technology. She coauthored PostGIS in Action (Manning) and pgRouting: A Practical Guide (Locate Press).
Leo Hsu is a coprincipal of
Paragon Corporation, a database consulting company based in Boston. He
has more than 20 years of professional experience developing and
thinking about databases for organizations large and small. Leo holds an
MS degree in engineering of economic systems from Stanford University
and BS degrees in mechanical engineering and economics from the
Massachusetts Institute of Technology. He coauthored PostGIS
in Action (Manning) and pgRouting: A Practical Guide (Locate Press).