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Arnav504/README.md

Hi, I'm Arnav Sahai 👋

MPA, Columbia SIPA | Business, Data & Cybersecurity Analytics | Python · R · SQL · TypeScript

I build analytical tools that turn messy data into decision-ready insight — spanning economic/trade analysis, financial risk modeling, and cybersecurity threat intelligence. Previously a Deployment Strategist at Accenture.

📍 New York, NY · ✉️ arnav.sahai@columbia.edu

🔍 Featured Projects

Project What it does Relevant to Stack
Escalation Risk Lab Interactive dashboard comparing AI-assisted vs. human-only crisis escalation risk across cyber, geopolitical, and energy incidents Cybersecurity Analyst TypeScript, React, TanStack
Cyber Narrative Radar Early-warning system that ingests public cyber discourse and flags unusual activity with explainable scoring Cybersecurity Analyst Python, FastAPI, React
Trade AI Project LLM agent that generates grounded, data-tied trade sentiment reports from structured economic data Business / Data Analyst Python, SQLite, RAG
Data Breach & Equity Impact Event study on stock price reactions to corporate data breach disclosures Data Analyst / Cybersecurity R, tidyquant

🛠 Skills

Languages: Python · R · SQL · TypeScript Data & Analysis: Pandas, Power BI, Tableau, event-study/econometric methods Cybersecurity: Threat intelligence, OSINT pipelines, risk scoring frameworks Tools: FastAPI, React, Docker, Git

📫 Let's connect

LinkedIn · Email

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  1. Data_breach_stock Data_breach_stock Public

    Event study measuring stock price impact of corporate data breach disclosures using R and difference-in-differences methods.

    R 1

  2. crisis-analyzer-ai crisis-analyzer-ai Public

    Interactive TypeScript dashboard simulating AI-assisted vs. human-only crisis escalation risk across cyber, geopolitical, and energy incidents.

    TypeScript

  3. cyber-narrative-radar cyber-narrative-radar Public

    Cyber Narrative Radar is a early-warning system that ingests public cyber discourse (RSS, Reddit, synthetic data), classifies narrative types, detects unusual activity with explainable scoring, and…

    Python

  4. Trade_AI_Project Trade_AI_Project Public

    LLM-powered trade analysis agent that converts structured trade data into grounded, decision-ready economic sentiment reports.

    Python