Overview
Connections
Salaries
Products
People
Growth
Offices
Financials

Funding and backers

Total raised
$6.2M
8 rounds on record
Latest round
$6.2M
Venture round · Feb 2023 · 3 yr ago
Team
11-50
employees, estimated range
Grants
$6.8M
7 grants · CORDIS
The money's age
Long since its last round
44 months since the last round · not hiring
Momentum
0/100
no fresh signals
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 12, 2025 Won a grant $299k · CORDIS Dec 9, 2024 Won a grant $966k · CORDIS Sep 15, 2024 Won a grant $307k · CORDIS Feb 15, 2023 Raised a round Venture round $6.2M · SEC Form D Sep 1, 2022 Won a grant $3.1M · CORDIS Sep 15, 2021 Won a grant $1M · CORDIS Mar 1, 2021 Won a grant $979k · CORDIS Jan 1, 2020 Won a grant $225k · CORDIS 2018 Founded
Funding rounds
RoundDateAmountInvestorsSource
Grant Apr 2025 $299k — CORDIS
Grant Dec 2024 $966k — CORDIS
Grant Sep 2024 $307k — CORDIS
Venture round Feb 2023 $6.2M — SEC Form D
Grant Sep 2022 $3.1M — CORDIS
Grant Sep 2021 $1M — CORDIS
Grant Mar 2021 $979k — CORDIS
Grant Jan 2020 $225k — CORDIS
Registers and programsofficial lists and records that name the company
Legal entity Rhaeos Inc. SEC Form D
Founders and leadersfrom filings, registers and the company's site
John RogersExecutive Officer, DirectorSEC Form D
R. WebbExecutive Officer, DirectorSEC Form D
Anna SomeraExecutive OfficerSEC Form D
Adam ZyskExecutive OfficerSEC Form D
Investors in similar startupsfunds that back the companies most like this one
Similar startupsby what they do, their industry and backers
Kitea HealthVenture round $20M · 2 yr ago · Founded 2015 · 51-200 employees
Rethinking Hydrocephalus care. Living with Hydrocephalus deserves a better answer. For decades, the standard of care has remained largely…
DAROVenture round $1.1M · 4 mo ago · Founded 2025 · 11-50 employees
DARO provides herd-level, non-invasive swine disease surveillance designed to detect pathogens earlier, giving veterinary and production…
NisonicFounded 2017
The non-invasive method for detecting increased intracranial pressure. Transorbital Ultrasound Imaging.
Vail ScientificVenture round $7M · 20 mo ago · 11-50 employees
Introducing VSNO(TM) Real-time, Non-invasive, Point-of-care Sepsis Detection. The potential to save lives with results in minutes.
Alleviant MedicalVenture round $90.8M · 22 mo ago · Founded 2017
Alleviant Medical's interatrial shunt therapy without an implant is currently being evaluated in heart failure patients. FDA approved…
Owlo11-50 employees
Owlo is a deep-tech company developing the next generation of non-invasive microscopy for healthcare.

Overview

Non-invasive. Wireless. Wearable. FlowSense® assesses hydrocephalus shunt flow in minutes. Shunt malfunction in hydrocephalus patients is challenging to detect with current methods.

People

John Rogers
Executive Officer, Director
R. Webb
Executive Officer, Director
Anna Somera
Executive Officer
Adam Zysk
Executive Officer
Chad Seaver
Director
Roozbeh Ghaffari
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Evanston United States
HQ
10-50 est. staff

Financials

Total raised
$13M
Latest round
Grant
Funding rounds
8
Funding rounds
Round Announced Amount
Grant 2025 $299k Details
Grant 2024 $966k Details
Grant 2024 $307k Details
Venture - Series Unknown 2023 $6.2M Details
Grant 2022 $3.1M Details
Grant 2021 $1M Details
Grant 2021 $979k Details
Grant 2020 $225k Details