GISuser.com is pleased to have a fine group of industry experts {Geo professionals} who regularly share their thoughts, ideas, and tips with us... enjoy! This is a section devoted to providing our valued contributors with a corner to do whatever they like with and discuss Geo/Tech topics that are near and dear to them! Be sure to check out ALL of our experts for commentary, editorial, links, and advice! Interested in becoming a contributing expert? Contact us and tell us about yourself.
Glenn Letham, co-founder and Editor of GISuser.com, is a Geographer, GIS professional, and technology evangelist passionate about all things Geo, Mobile, Social, Visual, and location-aware. Glenn's co-founded 4 popular Geo & Mobile Tech web magazines, regularly blogs, has guest blogged, participated on technology panels and has attended or participated in more than 100 major tech conferences and events. You can connect with Glenn on Twitter @gletham
Peter Batty is a founder and VP at Ubisense. He has worked in the geospatial industry for 25 years and has served as CTO for Intergraph and GE Smallworld. He is currently working on applying web mapping in the cloud to the enterprise, and precision indoor location tracking.You can find Peter on Twitter at @pmbatty
Learon Dalby serves as VP of Geolocation Services at Sanborn. Continuing to offer practical solutions to real world problems. You can follow him on Twitter @learondalby - Prior to joining Sanborn he served as the GIS Program Manager for the Arkansas Geographic Information Office (AGIO). He began his career with the AGIO in 2000 where he was responsible for managing a number of statewide programs.
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. Follow Bill on Twitter @billdollins
Joseph Kerski, Geographer, has a background in government, academia, and industry. He serves as Education Manager for Environmental Systems Research Institute (Esri) in Colorado, USA. He served for 21 years as Geographer at the US Geological Survey and at the US Census Bureau. Follow Joseph on Twitter @josephkerski
Gretchen N. Peterson writes on the subjects of GIS analysis, cartography and ethics. Ms. Peterson is the owner of the geospatial analysis firm PetersonGIS. You can follow her on Twitter @PetersonGIS
Greg is currently a Technology Evangelist for the NAVTEQ Network for Developers (nn4d.com) where he blogs, tweets and creates Developer focused videos. You can follow him on Twitter @gregrose
Michael is a Professional Engineer who has worked in the GIS industry since 1988. He is currently a Geospatial Technical Specialist with Autodesk where he's worked since 2002. Follow Michael on Twitter @engis
Webmapsolutions( 10 items )
WebMapSolutions has been consulting with clients and building location-based solutions for over 10 years. We are a professional company, focused on both mobile and non mobile application development. Enjoy LBS topic articles from Rory and Matt
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. Follow Andrew on Twitter @ajturner
Experts 
Glenn Letham, co-founder and Editor of GISuser.com, is a Geographer, GIS professional, and technology evangelist passionate about all things Geo, Mobile, Social, Visual, and location-aware. Glenn's co-founded 4 popular Geo & Mobile Tech web magazines, regularly blogs, has guest blogged, participated on technology panels and has attended or participated in more than 100 major tech conferences and events. You can connect with Glenn on Twitter @gletham
Peter Batty is a founder and VP at Ubisense. He has worked in the geospatial industry for 25 years and has served as CTO for Intergraph and GE Smallworld. He is currently working on applying web mapping in the cloud to the enterprise, and precision indoor location tracking.You can find Peter on Twitter at @pmbatty
Learon Dalby serves as VP of Geolocation Services at Sanborn. Continuing to offer practical solutions to real world problems. You can follow him on Twitter @learondalby - Prior to joining Sanborn he served as the GIS Program Manager for the 
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. Follow Bill on Twitter @billdollins
Joseph Kerski, Geographer, has a background in government, academia, and industry. He serves as Education Manager for Environmental Systems Research Institute (Esri) in Colorado, USA. He served for 21 years as Geographer at the US Geological Survey and at the US Census Bureau. Follow Joseph on Twitter @josephkerski
Gretchen N. Peterson writes on the subjects of GIS analysis, cartography and ethics. Ms. Peterson is the owner of the geospatial analysis firm PetersonGIS. You can follow her on Twitter @PetersonGIS
Greg is currently a Technology Evangelist for the NAVTEQ Network for Developers (
Michael is a Professional Engineer who has worked in the GIS industry since 1988. He is currently a Geospatial Technical Specialist with Autodesk where he's worked since 2002. Follow Michael on Twitter @engis
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. Follow Andrew on Twitter @ajturner
See more 
