Frank Hebard - President / CEO

James Bisese - Water Programs Manager

Mr. Bisese worked with the USGS for 12 years before joining GDMIS in 2003. He has spent the last 4 years working with Cyprus to develop a database incorporating all of their water resources.

Mr. Bisese is experienced in multiple programming languages including Visual Basic, Visual Basic for Applications, Perl and SQL. He has over 10 years experience designing and administering databases stretching across multiple platforms.

Michael Orris - Senior Production Manager

Mr. Orris joined GDMIS in 1994 and has held the position of Senior Production Manager for all GDMIS products since May of 2004. Mr. Orris produces complex digital map products for our customers, including the Texas Water Development Board (TWDB) and the USGS. He has a comprehensive understanding of the data produced and, additionally, has learned entire production flowlines. He is currently the Project Manager for the National Hydrography Dataset (NHD) contract between GDMIS and TWDB.

Mr. Orris has contributed significantly to the development of efficient production processes and new program development at GDM. He is expert in the use of several mapping and GIS system technologies on a variety of computing platforms. His applications experience includes Arc/Info, ArcView and other ESRI applications, as well as MicroStation, Laser-Scan and ERMapper.

Sean Deinert - Systems Administrator

Mr. Deinert joined GDMIS in 2002 and has held the position of Systems Administration Manager since November 2002. In this position, he maintains the servers, workstations, software and peripheral hardware. Mr. Deinert is our hardware and software specialist, and the key to the smooth functioning of GDMIS’s IT System.

Mr. Deinert is an expert in the use of several mapping and GIS system technologies on a variety of computing platforms. His application experience includes ArcInfo 8.3, ArcView 3.2 and other ESRI applications, as well as MicroStation and Laser-Scan.

Betina Castillo - Senior Technician

Ms. Castillo is the GDMIS employee with the greatest amount of scanning experience having worked with all of our scanners since joining GDMIS over 10 years ago. She has produced scans as interim products on large projects and worked on projects consisting totally of scanning work. When not performing scanning functions, Ms. Castillo uses photorevised and original DLG data to produce National Hydrography Dataset (NHD) models for the State of Texas. This work involves conflation of 1:100,000 scale hydrography data into 1:24,000 scale models. Ms. Castillo is experienced in the use of ArcGIS products and performs the first steps in the NHD process.