Who are EnsoData's investors?

EnsoData's investors include Colle Capital Partners, gener8tor, Great North Ventures, HealthX Ventures, Necessary Ventures, Questa Capital, Supermoon Capital, Clarevia Ventures and 3 more.

How much funding has EnsoData raised?

EnsoData has disclosed $50.7M raised across 5 of its 6 known rounds.

Where is EnsoData headquartered?

EnsoData is headquartered in Madison, US.

EnsoData

Madison, US · Founded 2015 · Delaware corporation · 85 employees on LinkedIn · 15 known investors

Find your way into EnsoData

374 people in our graph share verified history with the EnsoData team — schools, employers, funds. One of them is your warm intro.

Garry Tanunlockedknows Chris Fernandez · together at Y Combinator (overlapped)

×8knows the team · via Y Combinator

knows the team · via University of Wisconsin-Madison

knows the team · via EnsoData

knows the team · via National Instruments

Enso Data provides AI-powered analysis of physiological waveforms, particularly sleep studies, to enable clinical diagnosis and patient monitoring. The platform serves clinicians in sleep medicine and related specialties by automating interpretation of medical signals to support proactive patient intervention.

AI & Machine Learning Digital Health Healthtech Medical Devices

Founders & leadership

EnsoData was founded in 2015 by Christopher Fernandez, Christopher R. Fernandez, Sam Rusk, and Nick Glattard.

Christopher Fernandez inCo-founder · Executive Chairman & Chief Research OfficerChristopher Fernandez is co-founder and Chief Research Officer at EnsoData, where he develops AI-powered analysis of physiological waveforms for clinical applications including sleep medicine. He holds a master's degree in biomedical engineering from the University of Wisconsin and has published research in sleep and healthcare AI.

Christopher R. Fernandez inCo-founder · Executive Chairman & Chief Research OfficerChristopher Fernandez is Co-founder and Executive Chairman of EnsoData, which develops AI-powered analysis of physiological waveforms for clinical diagnosis and patient monitoring, with FDA clearance for sleep apnea diagnosis. He holds degrees in biomedical engineering from the University of Wisconsin and has published extensively in sleep and healthcare AI research.

Sam Rusk inCo-founder & CAIOSam Rusk is co-founder and Chief AI Officer of EnsoData, which applies machine learning algorithms to analyze physiological signals for clinical diagnosis and patient monitoring in sleep medicine.

Nick Glattard inCo-founder & CTOCo-founder and CTO of EnsoData, which develops AI-powered analysis of physiological waveforms for clinical diagnosis, including an FDA-cleared sleep apnea diagnostic tool.

Justin MortarainPresident & CEO | Investor

Matthew D DobereinerExecutive

Broderick HensenExecutive

Board

Scott Button inBoard directorGeneral Partner at Venture Investors Driver

Mark Gorenberg in 𝕏DirectorInvestor at Zetta Venture Partners

Frederick RobertsonBoard director

John RondoniBoard director

Investors · 15

Colle Capital PartnersNew York · $500K – $2M

gener8torBeloit

Great North VenturesMaple Grove

HealthX VenturesMadisonvia Mark Bakken · board

Necessary VenturesSan Francisco · $1M – $2M

Questa CapitalSan Francisco · $15M – $40M

Supermoon CapitalSan Francisco · $150K – $2.5M

Clarevia VenturesreportedMadison · $250K – $2.5M

Dreamit VenturesreportedEstero · $500K – $1.5M

SleepScore VenturesreportedSan Francisco

Zetta Venture Partnersreported · 2 sourcesSan Francisco · $1M – $5Mvia Mark Gorenberg · board

Also in the syndicate · 4

Colle CapitalInspire Medical SystemsSternhill AssociatesVenture Investors Health Fund

Funding

SEC filings, press & company announcements

$50.7M disclosed across 5 of 6 rounds · 2016–2026

Undisclosed amountSeries AJun 2026
Venture Investors (lead), Zetta Venture Partners (lead), Colle Capital, Dreamit Ventures, HealthX Ventures, Necessary Ventures, SleepScore Ventures, Sternhill Associates
Source ↗

▶$20MraisedJun 2025 · 7 investors · Other Health Care

Rule 506(b)