J
Janssen Vaccines
Biotech & Life Sciences · Leiden, Netherlands · Founded 2000 · IPO 2000
Talent graph
Janssen Vaccines's talent
Source: Dealroom Talent Intelligence.
Janssen Vaccines mafia
Startups founded by Janssen Vaccines alumni
Former Janssen Vaccines employees who went on to start their own companies. Sorted by Dealroom signal score.
Ronald BrusNetherlands
Björn SjöstrandSweden
Steena Sunyong LeeSouth Korea
Dinko ValerioNetherlands
Kasper RoetUnited States
Helmuth van EsUnited Kingdom
Magdalena KozłowskaPolandGlobal footprint
Where Janssen Vaccines has talent and traffic
across markets
Patent intelligence
Janssen Vaccines’s patent portfolio
3,990 active families in the valuation dataset.
Source: Dealroom Patent Intelligence · PatSnap. Portfolio estimates and the family records below have different coverage.
Market sentiment
What the market is saying about Janssen Vaccines
An AI-synthesized read of the highest-engagement posts about Janssen Vaccines on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
See Janssen Vaccines on the full Dealroom platform
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.