Wellumio
8 known investors
Find your way into Wellumio
88 people in our graph share verified history with the Wellumio team — schools, employers, funds. One of them is your warm intro.
Samuel Arbesmanunlockedknows Shieak Tzeng · together at Harvard Medical School (overlapped)
×10knows the team · via Harvard Medical School
knows the team · via University of Otago
Wellumio develops axana®, a portable, energy-efficient MRI system based on its Pulsed Gradient Free Mapping (PGFM) technology, designed to detect acute stroke quickly in front-line care settings. The product targets stroke diagnostics and brain imaging workflows in medical and critical care environments.
Founders & leadership
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Shieak TzenginCo-founder & Co-CEOShieak Tzeng is co-founder and co-CEO of Wellumio, which develops a portable MRI system for acute stroke detection in point-of-care settings. He previously co-founded and led a bioinformatics startup, held senior research positions at the University of Otago including directing translational research and bioengineering centers, and completed a postdoctoral fellowship in computational physiology at Harvard Medical School; he holds a medical degree and PhD from Otago University.
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Sergei ObruchkovinCo-founder & Co-CEO
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Gyan BarikinExecutive Director, Business Operations & Australia
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Ziad RouagGeneral Manager USA
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Harry MarfatiainHead of Finance
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David EriksonProgram Manager
Board
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Sia MoussaviBoard Chairman
Investors · 8
Booster Innovation FundWellington
Cure Kids VenturesAuckland
Nuance CapitalTakapuna, Auckland
Outset VenturesAuckland · $100K – $10Mvia Mat Rowe · inferred
Pacific ChannelAuckland
Icehouse VenturesreportedAuckland · $120K – $2.4M
NZ Growth Capital PartnersreportedAuckland
Also in the syndicate · 1
Nuance Connected Capitallead
Funding
SEC filings, press & company announcements$9.8M disclosed across 1 of 3 rounds · 2026
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Frequently asked questions
- What does Wellumio do?
- Wellumio develops axana®, a portable, energy-efficient MRI system based on its Pulsed Gradient Free Mapping (PGFM) technology, designed to detect acute stroke quickly in front-line care settings. The product targets stroke diagnostics and brain imaging workflows in medical and critical care environments.
- Who founded Wellumio?
- Wellumio was founded by Shieak Tzeng, Sergei Obruchkov.
- Who are Wellumio's investors?
- Wellumio's investors include Booster Innovation Fund, Cure Kids Ventures, Nuance Capital, Outset Ventures, Pacific Channel, Icehouse Ventures, NZ Growth Capital Partners.
- How much funding has Wellumio raised?
- Wellumio has disclosed $9.8M raised across 1 of its 3 known rounds.