Who are Circulate Health's investors?

Circulate Health's investors include Seaside Ventures, Khosla Ventures, Scrum Ventures.

How much funding has Circulate Health raised?

Circulate Health has disclosed $13M raised across 1 round.

Where is Circulate Health headquartered?

Circulate Health is headquartered in Seattle, US.

Circulate Health

Seattle, US · Founded 2021 · Delaware corporation · 20 employees on LinkedIn · 3 known investors

Circulate Health provides therapeutic plasma exchange (TPE) as a turnkey clinical service that it delivers through partner clinics, supplying trained apheresis nurses, FDA-cleared equipment, standardized protocols, and operational support. The company positions TPE as a longevity and healthspan intervention, backed by a clinical trial showing reduced biological age markers.

Biotech Healthtech Longevity Wellness & Fitness

Founders & leadership

Robbie SchwietzerExecutive

Brad YounggrenNamed on SEC filing

Board

Uri GreenwaldBoard director

Investors · 3

Seaside VenturesBoulder · $250K

Khosla VenturesreportedMenlo Park · $5K – $50M

Scrum VenturesreportedSan Francisco

Reported raises · per SEC filings

Form D private placements

$13M disclosed across 1 round · 2025

▶$13MraisedJan 2026 · 4 investors · Biotechnology

Rule 506(b)

Officers, directors & promoters on the filing

Brad YounggrenExecutive Officer, Director, Promoter
Uri GreenwaldDirector
Robbie SchwietzerExecutive Officer

Offering amount: $13M
Amount sold: $13M
First sale: Jun 2025
Incorporated: Corporation, Delaware, 2021
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 1

by search overlap

Doctronic23 shared keywordsDoctronic builds an AI system trained on peer-reviewed medical evidence to provide 24/7 medical triage and consultation, achieving 99.2% alignment with board-certified clinicians. The platform serves patients seeking instant healthcare guidance with no insurance requirement, anonymity, and HIPAA compliance.

Companies competing with Circulate Health for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Seattle longevity startups unite: Viome acquires plasma exchange pioneer Circulate Health – GeekWiregeekwire.com · Aug 2026

Circulate Health: Funding Secured From Scrum Ventures To Accelerate Growth In Therapeutic Plasma Exchangepulse2.com · Dec 2025

Circulate Health Receives Strategic Investment from Scrum Venturesfinsmes.com · Dec 2025

Circulate Health Raises $12 Million in Seed Funding to Accelerate Research in Longevity and Expand Therapeutic Plasma Exchange (TPE) Treatment Centersfinance.yahoo.com · Jul 2025

Circulate Health Raises $12M in Seed Fundingfinsmes.com · Jul 2025

Circulate Health raises $12M for pricey 'blood-cleaning' longevity servicegeekwire.com · Jul 2025

Frequently asked questions

What does Circulate Health do?: Circulate Health provides therapeutic plasma exchange (TPE) as a turnkey clinical service that it delivers through partner clinics, supplying trained apheresis nurses, FDA-cleared equipment, standardized protocols, and operational support. The company positions TPE as a longevity and healthspan intervention, backed by a clinical trial showing reduced biological age markers.
Who are Circulate Health's investors?: Circulate Health's investors include Seaside Ventures, Khosla Ventures, Scrum Ventures.
How much funding has Circulate Health raised?: Circulate Health has disclosed $13M raised across 1 round.
Where is Circulate Health headquartered?: Circulate Health is headquartered in Seattle, US.