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Ognomy Sleep

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

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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
GRGreg Ross
Greg RossCo-founder, board member, advisorGreg Ross previously held sales leadership roles at Hewlett-Packard and Dell, and led development of an e-commerce platform used by major retailers before it was acquired by private equity. He is co-founder of Ognomy Sleep, a virtual platform providing remote sleep apnea diagnosis and treatment through licensed specialists.
JSJune Seliber-Klein
June Seliber-KleinChief Medical Officer
PGPeter Grandits Jr.
Peter Grandits Jr.Chief Financial Officer EmeritusPeter Grandits Jr. previously founded GrandMetrics LLC, where he developed analytics platforms for 10 years, and serves as Executive Officer and Director of Ognomy Sleep, which provides virtual sleep apnea diagnosis and treatment services.
KRKen Rosenfeld
Ken RosenfeldChief Operating OfficerKen Rosenfeld has held CEO, COO, and CTO roles at multiple digital health companies, including experience scaling a medical device firm focused on home-based monitoring and leading a health records platform through significant growth. He brings expertise in healthcare software, medical devices, regulatory affairs, and clinical studies.

Board

DB
David BrownBoard directorFounder at Impellent Ventures

Investors · 5

Launch NYlisted by Launch NYBuffalo · $200K – $1M

How we know: the VCSheet dataset · Not right? Tell us

Blue Heron CapitalreportedRichmond

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Excell PartnersreportedRochester · $100K – $1.5M

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Impellent VenturesreportedRochester · $1.5M

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Funding

SEC filings, press & company announcements

$56.5M disclosed across 4 rounds · 2024–2026

▶$14.9MraisedMay 2026 · 7 investors · Other Health Care
Rule 506(b)
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.

Related companies · 1

UbieUbie 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 working in the same space as Ognomy Sleep.

In the news

Ognomy Sleep Secures $20. | Signalbasetrysignalbase.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 $56.5M raised across 4 rounds.
Where is Ognomy Sleep headquartered?
Ognomy Sleep is headquartered in Buffalo, US.