GIS & Web Mapping
ArcGIS Pro, ArcGIS Enterprise, ArcGIS Experience Builder, ArcGIS Maps SDK for JavaScript, Leaflet, Field Maps
GIS PROFESSIONAL · SPATIAL DATA · WEB MAPPING
Making sense of the world through location.
I'm Henry Reissig, GISP. I build spatial analyses, demographic research workflows, and interactive maps that turn geographic data into practical insight.
SPATIAL INTELLIGENCE
● LIVE PERSPECTIVE
GEOGRAPHY
↗
DATA
↗
DECISIONS
01 / ABOUT
Data is more useful when you know where.
I'm a GIS and spatial data professional with experience supporting healthcare and public-sector programs through spatial analysis, demographic research, data analytics, and web GIS.
My work combines geographic methods, programming, and clear visual communication—from data preparation and geocoding to interactive applications and dashboards. I also have experience supporting GIS learning and technical training.
GISP Certified
Geographic Information Systems Professional
· Valid through January 2029
02 / SELECTED WORK
Featured projects.
Browse original GIS maps, presentations, and research reports as PDFs, plus newer project overviews. Add new work by editing projects.js.
PDF documents are original archived work from 2016–2018. The newer project overview cards are summaries, not linked reports.
03 / TECHNICAL EXPERTISE
Tools & methods.
Spatial Analysis
Geocoding, buffers, overlay, site selection, proximity, network and drive-time analysis, raster analysis
Programming & Data
Python, ArcPy, JavaScript, SQL, SAS, SPSS, automation, data modeling, dashboards
Demographics & Imagery
U.S. Census data, population analysis, Landsat, NDVI, NDBI, image interpretation, accuracy assessment
04 / EDUCATION & CREDENTIALS
Education.
Master of Applied Geography
Texas State University
M.S. and B.S. in Physics
Academic background in quantitative science
A.A.S. in GIS & GIS Certificates
Austin Community College
GISP Certification
Certified Geographic Information Systems Professional · Expires January 2029
05 / CONTACT
Let's connect about geographic data.
Open to conversations about GIS, spatial analysis, web mapping, and data-driven problem solving.