Who We Are:

GeoVision Analytics delivers geospatial consulting, data analysis, and strategic advisory services to help organizations better understand and navigate complex spatial challenges. We provide customized, client-centered solutions that combine rigorous analysis, spatial intelligence, and strategic insight—designed to align with each client’s objectives, challenges, and decision-making needs.

What We Do:

Services include research, data collection and analysis, spatial product generation, consultation, and technical guidance involving Esri products, ArcGIS Online, ArcGIS Pro, ArcGIS Desktop, Web Experience Builder, ArcGIS Web Applications, QGIS, Tableau, R, and other geospatial technologies. GeoVision Analytics supports clients in developing online mapping applications, interpreting and visualizing spatial data, designing efficient geospatial workflows, and applying data-driven approaches to complex environmental and public health challenges.

About the Founder:

GeoVision Analytics is led by Founder and Principal Consultant, Lois Yena Chang, a geospatial and remote sensing expert with significant experience in GIS leadership and the development of nationally recognized mapping tools. Lois served as the lead architect for MDEJSCREEN Version 3.3 and Mid-Atlantic EJSCREEN Version 2.0 and led the development of EPA lead and drinking water GIS products. Her work has supported organizations including EPA, CDC, DOT, Fulton County Board of Health, Energy Justice Network, Johns Hopkins University, the NAACP, Public Citizen, the Maryland Department of the Environment, and CEEJH INC.