---
title: "Dan Bjornn"
category: "people"
role: "Senior Data Scientist"
company: "Lease End"
linkedin: "https://linkedin.com/in/dkbjornn"
sourceLabels: ["Official speaker roster", "Official conference schedule"]
---
# Dan Bjornn

## Profile
Senior Data Scientist at [[lease-end|Lease End]].

- [LinkedIn](https://linkedin.com/in/dkbjornn)

## Biography
Dan Bjornn is a Senior Data Scientist at [[lease-end|Lease End]], where he builds AI systems behind the company's sales pipeline. He led the development of an SMS sales agent that generated over $12M in revenue last year, with work spanning fine-tuning, agent architecture, prompt engineering, and evaluations. Prior to [[lease-end|Lease End]], Dan worked at several early-stage startups. Most notably, he was an early employee at NeuroID, where he helped lay the technical foundations the company carried through to its acquisition by Experian. Dan holds a PhD in cognitive neuroscience and applies it directly to his work designing AI agents with human cognition as the reference model.

## Conference Sessions
- [[2026-06-29-dan-bjornn-your-fine-tuned-model-is-tech-debt-a-50x-roi-house-of-cards]] — Your Fine-Tuned Model Is Tech Debt: A 50x ROI House of Cards (2026-06-29, 3:20pm-3:40pm)

## Evidence Graph
This evidence graph summarizes how this person appears across the conference source graph: scheduled sessions, linked videos, transcripts, and slide-derived evidence.

### Linked Sessions
- [[2026-06-29-dan-bjornn-your-fine-tuned-model-is-tech-debt-a-50x-roi-house-of-cards|Your Fine-Tuned Model Is Tech Debt: A 50x ROI House of Cards]]

### Media Signals
No linked video, transcript, or slide source has been attached yet.