How much funding has Arbiter raised?

Arbiter has raised $52.0M in total funding, most recently a Seed round.

Who are Arbiter's investors?

Arbiter's investors include TriEdge Investments, MFO Ventures, WindRose Health Investors.

Where is Arbiter headquartered?

Arbiter is headquartered in New York, New York, United States.

What industry is Arbiter in?

Arbiter operates in Healthcare, Artificial Intelligence.

Arbiter

New York, United States · Founded 2025 · $52.0M raised

Healthcare

Artificial Intelligence

Care Orchestration

Digital Health

Healthcare Infrastructure

Payer-Provider

B2B SaaS

Headquarters: New York, New York
Employees: 11–50
Founded: 2025
Website: arbiter.ai

Total Funding: $52.0M
Last Round: $52.0M SeedNov 2025
Rounds: 1

About

Arbiter is building the AI system that connects healthcare. Its care orchestration platform unifies patients, providers, and payers on a single infrastructure using a Record-Action-Alignment model. The platform builds a longitudinal patient record integrating clinical, financial, and policy data, then uses AI to automate actions and keep stakeholders aligned. First application focuses on real-time site-of-care optimization — matching referrals to best-fit providers based on cost, quality, and availability while automating authorizations, outreach, and scheduling. Founded by Michelle Carnahan, former President of Thirty Madison, with a team from Cigna, UnitedHealth, Kaiser Permanente, One Medical, VillageMD, Meta, Apple, Google, and Amazon.

Summary

Arbiter is a Healthcare company based in New York, United States, founded in 2025. It has raised $52.0M in total across 1 round, most recently a $52.0M Seed round in Nov 2025. Investors include TriEdge Investments, MFO Ventures and WindRose Health Investors.