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.
Joe Sewash, Services Program Manager
Joe Sewash joined CGIA in September 2005 and managed the Stream Mapping and Master Address projects. He has over fifteen years of experience in the geospatial field working with public sector clients. Joe contributed to the development of the GIS Certification Institute and has participated in the development of the ISO metadata standard. He is an active member of the National States Geographic Information Council (NSGIC), contributing as board secretary (2000-2005), co-chair of the conference committee (2001-2004), and co-chair of the elections committee (2001-2005). Joe is a graduate of West Virginia University, earning a BA in Geography and Master’s Degree in Geography, and currently co-chair's the departmental visiting committee.
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
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
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.