tech
December 24, 2025
This ex-doctor faced ‘incredible burnout’ and left medicine to build an AI tool
Thomas Kelly, 33, left medicine to build an AI tool to help doctors with their heavy workloads. Today, his company is worth over $460 million.

TL;DR
- Dr. Thomas Kelly experienced burnout due to time constraints and heavy administrative tasks during his medical practice.
- He conceived an AI tool to help transcribe medical visits and generate clinical notes, inspired by his own struggles.
- This AI tool evolved into Heidi, an AI medical scribe company, which Kelly co-founded and now leads as CEO.
- Heidi has raised substantial funding, valuing the company at $465 million.
- Kelly's initial foray into AI involved creating an interview tutor tool called 'Oscar' for medical students, which gained significant traction.
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