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Mariel Del Rosario

Palm Springs, CA, USA

EDUCATION
University of California, Berkeley | GPA: 3.9/4.0 | Graduated With General Distinction Berkeley, CA
Bachelor of Arts in Geography, Highest Honors May 2026

TECHNICAL SKILLS
Geospatial Technologies: ArcGIS (Pro, Online, StoryMaps), QGIS, GDAL, Mapbox GL JS, Google Earth Pro, Georeferencing, Digitizing, Spatial Analysis (Raster & Vector), Cartography & Map Production, Coordinate Systems (CRS)
Programming and Scripting: Python (Pandas, NumPy, Matplotlib, Seaborn, GeoPandas, ArcPy), SQL (Spatial Queries), R, JavaScript, HTML5/CSS3, REST APIs
Data Analysis and Dev Tools: Shapefiles, GeoJSON, File Geodatabases, Spatial Data Cleaning, Jupyter Notebooks, Git/GitHub, Excel, Statistical Modeling (Linear Probability Models, Hypothesis Testing)

TECHNICAL PROJECTS
Web Map: Berkeley Heritage Sites (JavaScript, HTML/CSS, Mapbox) October 2026
Developed an accessible, interactive web mapping application using Mapbox JS, HTML/CSS, and JavaScript to visualize historical landmark spatial data across Berkeley, CA
Designed custom cartographic styling and responsive UI elements, including dynamic point clustering and automated attribute popups to enhance user accessibility and spatial data exploration
Built custom JavaScript temporal filters allowing users to query spatial datasets across historical date ranges

MUNI Transit Suitability Analysis (ArcGIS Pro, Spatial Analysis) December 2025
Engineered a multi-criteria spatial suitability model in ArcGIS Pro using weighted overlay methodologies to evaluate optimal public transit site locations across San Francisco
Executed complex spatial analyses, including Euclidean distance, network analyses, Spline interpolation, and market share modeling, on multi-layered municipal datasets to motivate data-driven spatial decision-making
Co-authored and published an interactive ArcGIS StoryMap that translates multi-step GIS methodologies into clear, accessible visual documentation and web-based applications for cross-functional stakeholders

Native American Health Equity Spatial Analysis (QGIS, Public Data) May 2025
Ingested, cleaned, and normalized census and regional public health datasets to analyze socioeconomic disparities across Riverside County, CA
Engineered 4 thematic map layers in QGIS visualizing correlations between the Health Equity Index, land use patterns, and localized health outcomes

RESEARCH EXPERIENCE
UC Berkeley Geography Department Berkeley, CA
Geospatial Research Assistant for Dr. Tianna Bruno August 2024 – Present
Georeference historic spatial assets and locations into interactive spatial databases and digital mapping platforms
Design spatial data repositories and collections from multiple sources, managing data organization and standardization for community-facing cartographic tools
Co-authored and presented spatial environmental justice research at the 2026 AAG Annual Conference
Collaborated in a 4-person team to build interactive digital storymaps documenting regional environmental injustice and historical geography

Mariel Del Rosario

Posted 2026-10-27 under Geospatial