Dan Bjornn
Profile
Senior Data Scientist at Lease End.
Biography
Dan Bjornn is a Senior Data Scientist at 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, 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)
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Linked Sessions
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