Fundraising Fox

Ognomy Sleep

Buffalo, US · Founded 2020 · Delaware corporation · 34 employees on LinkedIn · 5 known investors

Ognomy Sleep is a virtual platform providing end-to-end sleep apnea diagnosis and treatment through licensed sleep medicine specialists. The service delivers convenient, affordable care to patients across all 50 US states.

Digital HealthHealthtechSaaS

Founders & leadership

Ognomy Sleep was founded in 2020 by Daniel Rifkin and Greg Ross.

DR
Daniel RifkinFounder & CEO
GR
Greg RossFounder
JSJune Seliber-Klein
June Seliber-KleinExecutive
PG
Peter Grandits Jr.Executive
KRKen Rosenfeld
Ken RosenfeldExecutive

Board

DBDavid Brown
David Brownin𝕏Board directorFounder at Impellent Ventures

Investors · 5

Catalyst InvestorsNew York · $10M – $20Mvia Kapil Desai · led
Launch NYBuffalo · $200K – $1M
Blue Heron CapitalreportedRichmond
Excell PartnersreportedRochester · $100K – $500K
Impellent Venturesreported · 2 sourcesRochester · $1.5M

Reported raises · per SEC filings

Form D private placements

$16.5M disclosed across 2 rounds · 2024–2026

▶$14.9MraisedMay 2026 · 7 investors · Other Health Care
Rule 506(b)
Ognomy Secures $20M Series A for AI Sleep Apnea Solutionssleepworldmagazine.com · Jul 2026Ognomy Sleep Raises $20M Series Athesaasnews.com · Jul 2026
Officers, directors & promoters on the filing
  • David BrownDirector
  • Kapil DesaiDirector
  • Ken RosenfeldExecutive Officer, Director
  • Daniel RifkinExecutive Officer, Director
Offering amount
$21.6M
Amount sold
$14.9M
First sale
May 2026
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.6MraisedAug 2024 · 4 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • June Seliber-KleinExecutive Officer
  • Peter Grandits Jr.Executive Officer, Director
  • David BrownDirector
  • Daniel RifkinExecutive Officer, Director
  • Ken RosenfeldExecutive Officer
Offering amount
$1.6M
Amount sold
$1.6M
First sale
Aug 2024
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
Ubie74 shared keywordsUbie provides a free AI-powered symptom checker that generates a personalized report on possible causes of a user's symptoms and guidance on when to see a doctor, based on a short questionnaire developed with doctors. The consumer-facing digital health service operates in Japan, the United States, and other countries.

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

In the news

The Weekly Notable Startup Funding Report: 7/6/26 – AlleyWatchalleywatch.com · Jul 2026Ognomy Secures $20M Series A for AI Sleep Apnea Solutionssleepworldmagazine.com · Jul 2026Ognomy Sleep Secures $20M Series A to Expand AI-Enabled Sleep Apnea Care | Sleep Reviewsleepreviewmag.com · Jul 2026Ognomy Sleep Raises $20M Series Athesaasnews.com · Jul 2026Ognomy Sleep closes $20 million Series A funding round - Buffalo Business Firstbizjournals.com · Jun 2026Ognomy Sleep Secures $20. | Signalbasetrysignalbase.com · Jun 2026Ognomy Sleep Raises $20M Series A to Expand AI-Enabled Sleep Apnea Care - The Des Moines Registerdesmoinesregister.com · Jun 2026Ognomy Sleep raises $20M Series A for virtual sleep careaxios.com · Jun 2026

Frequently asked questions

What does Ognomy Sleep do?
Ognomy Sleep is a virtual platform providing end-to-end sleep apnea diagnosis and treatment through licensed sleep medicine specialists. The service delivers convenient, affordable care to patients across all 50 US states.
Who founded Ognomy Sleep?
Ognomy Sleep was founded by Daniel Rifkin, Greg Ross in 2020.
Who are Ognomy Sleep's investors?
Ognomy Sleep's investors include Catalyst Investors, Launch NY, Blue Heron Capital, Excell Partners, Impellent Ventures.
How much funding has Ognomy Sleep raised?
Ognomy Sleep has disclosed $16.5M raised across 2 rounds.
Where is Ognomy Sleep headquartered?
Ognomy Sleep is headquartered in Buffalo, US.