Thanks to Joseph for this, his first GISuser "Expert" contribution! People have always been fascinated with investigating their home—the Earth. To understand our planet, ancient scholars in Rome, Greece, and China founded the study of geography over 2,500 years ago.
Learon Dalby
Learon Dalby serves as the GIS Program Manager for the Arkansas Geographic Information Office (AGIO). He began his career with the AGIO in 2000 where he is responsible for managing a number of statewide programs. Learon Dalby received his Bachelor of Science degree in biology from the University of Arkansas at Little Rock. Learon has […]
Gretchen N. Peterson
Gretchen N. Peterson writes on the subjects of GIS analysis, cartography and ethics. Ms. Peterson is the owner of the geospatial analysis firm PetersonGIS, which creates custom solutions for clients in the natural resources field. Peterson is the author of GIS Cartography: A Guide to Effective Map Design, CRC Press, April 2009. She maintains a […]
Ted Florence
Ted is the president of Avenza Systems Inc., the producer of the MAPublisher and Geographic Imager geospatial add-ons for Adobe Creative Suite and the PDF Maps app for mobile use of geospatial PDF documents. Ted lives in Toronto, Avenza’s home base. He graduated from the University of Toronto in 1985 with a Professional Engineering degree […]
Bill Dollins
Bill Dollins has been a Sr. Vice President and Partner at Zekiah Technologies in Maryland since 2001 and has been developing GIS applications since 1993. He is a programmer with diverse experience in geospatial information systems, relational databases, and application development. His experience includes system design, software development, database development, data conversion and project management […]
Andrew Turner
Andrew Turner is the co-founder of Mapufacture, acquired by FortiusOne in August 2008. Andrew is actively involved in open-data projects such as OpenStreetMap and VoteReport, as well as open-source projects like Mapstraction and GeoPress. He has consulted with companies such as MapQuest, the BBC, and the UN in developing their geospatial and community components, and […]