Ethan Heffernan

Los Angeles, California

linkedin.com/in/ethanheffernan

eheffernan@ucsd.edu

About

I'm a finance and analytics professional with experience in financial modeling, risk analysis, data analytics, and market research. I focus on clear, structured work that turns complex information into useful insights for organizations and decision-makers.

Recent Work

Pharmaceutical Product Concentration: Measurement in Major U.S. Drugmakers

October 2, 2025

concentration risk · pharma · revenue dependence · CR3 · CR5 · HHI · Excel · Python

Technical demonstration of potential revenue concentration metrics across time and firms.

EV Charging Station Financial Model - FMWC Solution

August 25, 2025

Project finance · DCF · Debt modeling · Sensitivity-ready

Subsidized electric vehicle charging station project finance model with DCF and debt waterfall modeling.

Marketing-Driven E-commerce Brand Financial Model

January 10, 2025

Project finance · Marketing Mix Modeling (MMM) · Online Retail P&L

Self-directed e-commerce financial model with marketing mix modeling and integrated P&L projections.