Ognomy Sleep
Buffalo, US · Founded 2020 · Delaware corporation · 34 employees on LinkedIn · 5 known investors
Find your way into Ognomy Sleep
131 people in our graph share verified history with the Ognomy Sleep team — schools, employers, funds. One of them is your warm intro.
Jim Huntunlockedknows Peter Grandits Jr. · together at University of Notre Dame (overlapped)
×8knows the team · via Hewlett-Packard Enterprise
knows the team · via University of Notre Dame
×2knows the team · via State University of New York at Fredonia
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.
Founders & leadership
Ognomy Sleep was founded in 2020 by Daniel Rifkin and Greg Ross.
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Daniel RifkinFounder & CEO
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Greg RossinCo-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.
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June Seliber-KleininChief Medical Officer
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Peter Grandits Jr.inChief 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.
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Ken RosenfeldinChief 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
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Investors · 5
Funding
SEC filings, press & company announcements$56.5M disclosed across 4 rounds · 2024–2026
▶$14.9MraisedMay 2026 · 7 investors · Other Health CareRule 506(b)
▶$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
▶$1.6MraisedAug 2024 · 4 investors · Other TechnologyRule 506(b)
▶$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
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 1
by search overlapCompanies 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 2026
Ognomy Secures $20M Series A for AI Sleep Apnea Solutionssleepworldmagazine.com · Jul 2026
Ognomy Sleep Secures $20M Series A to Expand AI-Enabled Sleep Apnea Care | Sleep Reviewsleepreviewmag.com · Jul 2026
Ognomy Sleep Raises $20M Series Athesaasnews.com · Jul 2026Frequently 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.