United States · Venture startup

Who invested in Calibrate

One round we have observed, with the 5 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Healthcare

Funding summaryUpdated 26 Oct 2026

Undisclosedraised across 1 round since 2023, from 1 source

Latest round
VentureNov 2023
Investors
5
See who backed them

The rounds

  1. Nov 2023

Founders and team

From Calibrate's own website: 5 on the team.

  • Rob RebakCEO
  • Matt KrokoszCTO
  • Paul MerrickCOO
  • Melissa DorfmanVP, People
  • Suzanne DavisVP, Clinical Operations

Everyone who backed them

Founders FundVC firm1round
Samsung NextCorporate VC1round
Forerunner VenturesVC firm1round
Optum VenturesVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list Calibrate as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

301Corporate VCPer its own site
Madryn Asset ManagementPrivate creditPer its own site

Quick answers about Calibrate

Who invested in Calibrate?

Calibrate's investors include Founders Fund, Tiger Global Management, Samsung Next, Forerunner Ventures and Optum Ventures.

How much has Calibrate raised?

Calibrate has raised 1 round since 2023, none with a disclosed amount.

When did Calibrate last raise?

Calibrate's most recent round was a Venture in Nov 2023.

Who backed Calibrate first?

Calibrate's first round on record, in Nov 2023, was backed by Founders Fund, Tiger Global Management and Samsung Next and 2 others.

What stage is Calibrate at?

Calibrate's latest named round is a Venture, in Nov 2023.

Where is Calibrate based?

Calibrate is based in the United States.

Companies like Calibrate

In the same sector, and raised in the last eighteen months.

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