Justin, Chris and Caesar are saving a seat for Sage Care's first designer.

The problem

One health system reported that nearly half its incoming calls went unanswered.

Sage Care makes AI for health systems that answers patient calls and supports triage.

The people

Justin and Chris worked together at rideOS, then brought in Caesar as a third co-founder.

• Justin Ho · CEO

  • Co-founded rideOS, which built dispatch and routing software later acquired by Gopuff
  • Led teams across self-driving and mapping at Uber
  • Struggled to navigate care when his newborn daughter needed repeated jaundice treatment

• Chris Blumenberg · CTO

  • Founding engineer on Safari, WebKit, iOS and Apple Maps at Apple
  • Founded the Uber Maps project at Uber
  • Co-founded rideOS

• Dr. Caesar Djavaherian · Chief Medical Officer

  • Emergency medicine physician
  • Co-founded Carbon Health and scaled it to 138 clinics
  • Led development of Carbon Health's first AI technology for clinical operations

So far

It works with health systems such as Bronson Healthcare and White Plains Hospital.

$20M led by Yosemite with General Catalyst and Metrodora, October 2025.

Your seat