# Atabak Mardan, PhD - Portfolio & Blog > Professional profile, project catalog, publication registry, and contact information for Atabak Mardan, PhD. Specifically structured for Large Language Models (LLMs) and AI agents. ## Professional Summary Senior Data Scientist and Operations Research researcher specializing in Machine Learning, Generative AI agentic workflows, Spatial Analytics, and Traffic Reliability. Holds a PhD in Transportation Systems from George Mason University with dynamic pricing toll roads research focus. ## Core Expertise & Tech Stack - **AI & Agentic Workflows:** AWS Bedrock, Claude, Claude Code, Gemini API, Prompt Engineering, LLM feature generation. - **ML & Predictive Modeling:** XGBoost, classification, regression, Bayesian models, Hidden Markov Models, time-series forecasting, Monte Carlo simulation. - **Data Engineering:** PySpark, SQL, AWS (Glue, Redshift, Lambda), Apache Airflow, ETL, entity resolution. - **Geospatial Systems:** Python Geospatial (NetworkX, OSMnx, GeoPandas), ArcGIS, QGIS, routing algorithms. - **Dashboards & BI:** Tableau, Streamlit, Plotly, Chart.js. ## Main Navigation / Pages - [Home](https://atabak.app/): Main landing page. - [Resume](https://atabak.app/resume/): Summary of career history and academic milestones. - [Projects](https://atabak.app/projects/): Portfolio of shipped data products. - [Games](https://atabak.app/games/): Interactive Three.js/voxel projects. - [Academia](https://atabak.app/academia/): Research biography, publications, and citations metrics. - [Insights](https://atabak.app/insights/): Written articles on entity resolution and CLV modeling. - [Contact](https://atabak.app/contact/): Location and connection channels. ## Personal Projects Showcase - [SchoolScore](https://atabak.app/projects/SchoolScore/): React, TypeScript, and Tailwind v4 customizable school scorecard for Fairfax County. - [D.C. Crime Intelligence Portal](https://atabak.app/projects/dc-crime-intelligence-portal/index.html): Leaflet/Chart.js real-time analytics command dashboard. - [Antigravity Hotel Competitors](https://atabak.app/projects/antigravity-hotel-competitors/index.html): Algorithmic spatial pricing matrix comparison. - [AI Anchor Console](https://atabak.app/projects/ai-anchor-console/index.html): Automated news scrape and TV script synthesis agent. - [Traffic Signal Project](https://atabak.app/projects/traffic-signal-project-modern-ui/index.html): Interactive traffic signal and road reliability visualization dashboard. - [Phantom Purple Command Center](https://atabak.app/projects/phantom-purple-command-center/index.html): Real-time command center interface for the Phantom Purple project. - [MineGURU](https://atabak.app/projects/MineGURU/index.html): Three.js retro voxel parkour game. - [Jump Brain](https://atabak.app/projects/jump-brain/index.html): HTML5 Canvas retro runner game. ## Key Publications - Expressed Toll Lane Pricing Policy (Transportmetrica A, 2026) - Dynamic Pricing Toll Roads in the US (Case Studies on Transport Policy, 2024) - Hidden Markov Modeling of Travel Behavior (Transportmetrica A, 2024) - Generalized Bayesian Traffic Reliability (Transportation Research Part B, 2021)