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2018 Orthoimagery – RFQ 41-000001SM Selection Results
The list of selected contractors has been posted. read more ...

NC Master Address Dataset

Direct access to the NC Master Address Dataset and project resources

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NC OneMap Website
nc_onemap_logo_thumb.gifThe NC OneMap website delivers data and information, fast.  read more ...

Coordination Matters in NC
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NC River Basin Map
Save our Rivers, in cooperation with CGIA, has created a beautiful large-format map showing North Carolina’s River Basins. read more ...


 Technical Team Profiles Minimize

Tim Johnson, Director, GISP
Tim Johnson, Director of CGIA, has extensive experience in GIS user needs assessment, system design, application development, and spatial analysis. He has provided leadership for CGIA’s largest projects including work with the NC Floodplain Mapping Program. Tim also works closely with members of the Geographic Information Coordinating Council on GIS policy and technical issues. He joined CGIA in 1988 after five years as a GIS analyst for PAR Government Systems Corporation. His focus was on requirements analysis and system design for projects in the Department of Defense and the intelligence community. Prior to that, he worked for two private consulting firms on GIS system design and programming efforts. Tim has a Master's Degree in Geography from the State University of New York at Buffalo, and a BS in Geography from Appalachian State University.

Jeff Brown, Coordination Program Manager, GISP
Jeff Brown applies his work experience in state and local government and private consulting to finding solutions to problems and needs of CGIA clients. Recent projects have included creation of land suitability models for farmland conservation and sustainable development, a database and GIS for Lands Managed for Conservation and Open Space, development of methods to support natural hazard mitigation planning, and GIS capacity building in the Department of Public Health and local public health departments. Prior to joining CGIA, he worked as a planner and analyst, including ten years with the Boston Redevelopment Authority. He has a Master's Degree in City and Regional Planning from Harvard University and a BA in Economics from Trinity College.  In 2010, Jeff was named Coordination Program Manager.

John Derry, GIS Analyst, GISP
John Derry is a versatile GIS Analyst who brings skills and experience to the Asheville Field Office. He specializes in surface waters and the National Hydrography Data Model as well as digital elevation models and image analysis. With CGIA since 1991, John has a BS degree in Geography from Appalachian State University with a concentration in computer cartography. He started out as a technician in Lincoln County, then honed his skills on numerous projects with CGIA. John was project manager for the creation of a trout waters atlas for the NC Wildlife Resources Commission and created the ArcIMS application for RiverLink. John has a growing role at CGIA in programming and application development.

Brett Spivey, Application Developer, GISP
Brett Spivey, CGIA’s NC OneMap application developer, specializes in customized application development and design. His varied work experience includes two years with the City of Norfolk, VA and five years with private consulting firms. His recent work includes design of an Internet mapping application that displays flood inundation data based on real-time stream gage readings and river forecasts. He joined CGIA in 2003. Brett has a BA in Environmental Studies from UNC-Wilmington and a Master’s Degree in Geography from UNC-Charlotte.

David Giordano, Database Administrator, GISP
David Giordano is the Database Administrator for CGIA and NC OneMap. He is instrumental in the development of NC OneMap and related initiatives. In addition, David has applied his GIS and programming skills to a number of projects, including creation of digital data for hurricane storm surge inundation areas along North Carolina's coast for the purpose of emergency planning. He has a BS degree in Geography from Appalachian State University.


NC Center for Geographic Information & Analysis
20322 Mail Service Center
Raleigh, NC 27699-0322
Tel: (919) 754-6580
Fax: (919) 715-8551