Washington University, est. 2013St. Louis, June 20262013

Companies born here keep ending up in the news.

Sling Health is WashU’s healthcare startup accelerator. Clinical problems become real companies here. $220M+ raised so far. Every headline that follows is a company that started here.

The record →
St. Louis, 2013 to today
$220M+raised by alumni ventures

180+ student teams have come through the accelerator. Nine companies are still running. This is the record. 

Sling Health St. Louis
St. Louis, 2019
NASAbacks the seed round

A WashU-born startup wins federal backing to protect industrial workers from the air they breathe. 

St. Louis, 2020
$8.5MSeries B, FDA-cleared

FDA clears SentiAR's holographic display for use in live cardiac procedures. 

St. Louis, December 2021
Acquiredby Lightbeam Health

The remote monitoring company students built here reaches its exit. 

St. Louis, 2023
$5MSeries A

Thermogelling drug delivery for cancers heads toward the clinic. 

St. Louis, May 2024
$105Mand an FDA approval

The colorectal cancer test that began as a student project is approved for patients nationwide. 

The record, 2013 to today
  • GeneoscopyNon-invasive colorectal cancer screeningSeries C · $105M
  • CareSignalDeviceless remote patient monitoringAcquired by Lightbeam
  • SentiARHolographic AR for cardiac electrophysiologySeries B · $8.5M
  • WellsheetAI clinical workflow and EHR overlaySeries A
  • UroStat HealthcareInsurance-covered home delivery of medical suppliesOperating
  • nCase TechnologiesPortable carry cases for naloxone nasal sprayArch Grant
  • Absco TherapeuticsThermogelling drug delivery for cancers and precancersSeries A · $5M
  • Applied Particle TechnologyReal-time air-quality monitoring for heavy industrySeed · NASA-backed
  • CaralystMental-health provider matching for healthcare workersPre-seed

Figures reflect publicly announced rounds and outcomes. 180+ teams have come through the program; these are the ones still running.

St. Louis, September 2026

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