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Louis Sellier

Louis Sellier

Big Data Engineer

Columbia × LSE | CFA® L2 | New York City

Technologies

My Portfolio Highlights

My New Track

Associate AI Engineer for Data Scientists

My New Track

Professional Data Engineer

My New Track

Machine Learning Engineer

My New Track

Associate AI Engineer for Data Scientists

I help organizations find clarity in complex, uncertain environments. I operate as a Full Stack Strategist—bridging insight and execution to drive high-impact decisions.

My Work

Take a look at my latest work.

github

A Machine Learning Approach to Corporate Credit Ratings

PythonGitTheory
github

Lightweight AI-Powered Financial Analyst with Multi-Agent Workflow

PythonGitDocker
github

Accounting Integrity as Alpha: Testing the Beneish M-Score in Portfolio Strategy

PythonGitTheory
github

A Machine Learning Approach to Corporate Credit Ratings

PythonGitTheory

My Certifications

These are the industry credentials that I’ve earned.

Other Certificates

CFA Institute CFA® Level 2

CFA Institute CFA® Level 1

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to SQL
Intermediate SQL
Joining Data in SQL
Supervised Learning with scikit-learn

My Work Experience

Where I've interned and worked during my career.

Palantir Technologies | Jun 2025 - Present

Deployment Strategist

Full-stack strategist engineering the next wave of data innovation across financial services

Bank of America | Jan 2025 - May 2025

Graduate Consultant

Orchestrated AI strategy, blending proprietary concepts and data tools to sharpen competitive edge

Finary | Apr 2024 - Aug 2024

Portfolio & Growth Analyst

Built Python expertise and startup scaling know-how at a Y Combinator–backed company

My Education

Take a look at my formal education

Master's Degree in Finance & Data AnalyticsColumbia University | 2025
Master's Degree in Quantitative EconomicsLondon School of Economics | 2024

About Me

Louis Sellier

I work at the intersection of strategy, data, and systems. As a Deployment Strategist at Palantir, I help organizations find clarity in complex, uncertain environments. With a background in economics, finance, and analytics across London, New York, a

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