AJR Podcasts The Serial Entrepreneur–Career Pivots, an AJR Podcast Series (Episode 5)
Nov 26, 2025
Woojin Kim, Chief Medical Officer at the American College of Radiology Data Science Institute and a seasoned radiologist-entrepreneur, shares a fascinating journey from his early curiosity in imaging informatics to founding multiple startups. He discusses the challenges of balancing clinical practice with entrepreneurship, the importance of solving real problems in the industry, and his vision for AI in radiology as a co-pilot. Woojin also offers practical advice for aspiring innovators, emphasizing the need for domain expertise and cautious optimism in navigating AI advancements.
AI Snips
Chapters
Books
Transcript
Episode notes
DEXA Hack Sparked Informatics Career
- As a resident, Woojin Kim automated DEXA report transcription by teaching himself Visual Basic and hacking the scanner to prefill reports.
- That weekend hack cut a 90-minute task to five minutes and sparked his interest in imaging informatics.
Weekend Prototype Became Presto
- Woojin built Presto, a fast radiology search prototype, over a weekend after being frustrated by slow hospital search tools.
- His IT colleague's amazement at sub-second results led to Presto and later commercialization as Montage.
Follow Faculty Handbook And Disclose IP
- Follow your institution's faculty handbook and disclose inventions to tech transfer; comply with required forms and meetings.
- Expect universities to be slow and consider trade-offs if you seriously plan to found a startup.
