Brian Lehman

aka "Lox"

Data scientist/Visual storyteller/Builder

About

Signal from noise.

I've spent my career turning ambiguous, messy data into clear signals for decision-makers — and making it look good in the process. The pattern across my work: I get pulled into rooms where the data exists but nobody knows what to do with it. Clinical records that need to become surveillance dashboards. Transaction streams that need fairness models. Social data that need to become executive narratives. I build the bridge between the raw data and the people who need to act on it.

Currently building something new. More soon

Work

Selected projects.

Coming May 2026
Signal & Salt

Multi-strategy quantitative trading system with ML-driven signal processing and a copy-trading SDK.

Python ML D3.js Quantitative Trading
Dark Orbits

Cybersecurity threat visualization turning email fraud data into an interactive narrative. Proofpoint's first data viz series.

D3.js Scrollytelling Proofpoint
Tweet Bigly

Trump's Twitter insults, visualized. 110,738 impressions. A scroll-driven node matrix of 2,200+ insults targeting 300 people, places, and things.

D3.js Data Journalism Scrollytelling
Twitter Languages

Streamgraph of language distribution on Twitter from the first tweet in 2006 to 2013. Featured in the New York Times.

D3.js NLP NYT
Twitter Chords

Audience segmentation via chord diagram. Presented at keynote and recognized by Jack Dorsey.

D3.js Chord Diagram Twitter
Trend Detection

Interactive anomaly detection dashboard with adjustable thresholds. Volume spikes and trend scores visualized in real time.

D3.js Anomaly Detection Signal Processing
Maperator

Replay the geographic flow of Twitter events on a map. Watch how conversations propagate across the world in real time.

D3.js Geospatial Real-time
Career

The path here.

2024 — Present
Viz Farm LLC
Founder & Data Science Product Lead
2023 — 2024
Career Break
"Learned to listen."
2020 — 2023
PayPal
Senior Data Scientist
2019 — 2020
Google
Data Visualization Specialist
2018 — 2019
Proofpoint
Senior Data Scientist & Product Manager
2017
Tendril & GitPrime
Data Scientist
2013 — 2017
Twitter (Gnip)
Senior Data Scientist
2008 — 2013
Colorado School of Mines
Mathematics Lecturer
Contact

Let's talk.