JK
About
John Sung Kim is a chief executive who created the software companies Five9 (NASDAQ: FIVN), DoctorBase (acquired by Kareo), and JetBridge (current). He's an early angel investor in: SpaceX, Rappi, LVL5 (acquired by DoorDash), Credy, Maximus Health, Panther, Siempre Tequila and Juice Labs. Occasionally he writes for TechCrunch, Forbes and his blog JohnSungKim.com (NSFW).
Position in the VCSift Database
- • 3,360 investors hold the CEO role in VCSift. John Sung Kim is one of them.
- • 1,751 investors are based in California, United States.
Data sourced from 410,343 investor profiles. Updated July 2026.
Investment Focus
- Stages
- series-a
- Location
- California, US
Contact Information
Find more investors like John Sung
Search Investors