Data science · AI systems · analytics

Kala
Fejzo.

Building data products that turn complex systems into clear decisions—from public-sector research to predictive models and graph intelligence.

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Selected
work

01—04
Abstract government organization chart and highlighted data pathAutomation pipeline

01

Government Staff Pipeline

Turns government org charts and agency lists into CRM-ready leadership data using document parsing, web research, and AI.

PythonStreamlitGeminiClaude
Los Angeles housing blocks and analytical trend linesPredictive modeling

02

Airbnb Revenue Forecasting

Predicts annual Los Angeles Airbnb revenue by combining Zillow and listing data across four machine-learning approaches.

PythonMLJupyterPandas
Social graph communities connected by influencer nodesGraph data science

03

Social Graph Intelligence

Models social communities in Neo4j to uncover influential users, graph structure, and patterns of engagement.

Neo4jCypherGDSSNAP
Audio waveform layered with statistical chartsStatistical research

04

Music & Mental Health

Studies how listening behavior relates to self-reported mental health through multivariate statistical analysis.

RPCAMCARegression