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Wellumio

9 known investors

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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.

AI & Machine LearningDeep TechHealthtechMedical Devices

Founders & leadership

STShieak Tzeng
Shieak TzengCo-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.
SOSergei Obruchkov
Sergei ObruchkovCo-founder & Co-CEO
GBGyan Barik
Gyan BarikExecutive Director, Business Operations & AustraliaGyan Barik has held leadership roles including Co-Founder, CEO, Director, VP of Products, and Chief Commercial Officer across ASX-listed companies, healthcare organisations, and early-stage startups over more than twenty years. He has spent the past decade focused on medical devices and health technology, with expertise in commercial strategy, regulatory pathways (TGA and FDA), and scaling early-to-growth stage businesses.
ZRZiad Rouag
Ziad RouagGeneral Manager USA
HMHarry Marfatia
Harry MarfatiaHead of FinanceHe previously held senior finance and commercial roles in ASX-listed healthcare, technology, and supply-chain companies, with over 18 years of experience in business scaling and governance.
DE
David EriksonProgram Manager

Board

SM
Sia MoussaviBoard Chairman

Investors · 9

Cure Kids Ventureslisted by Cure Kids VenturesAuckland

How we know: Cure Kids Ventures's portfolio page · Not right? Tell us

Enterprise Angelslisted by Enterprise AngelsTauranga

How we know: Enterprise Angels's portfolio page · Not right? Tell us

Nuance Capitallisted by Nuance CapitalTakapuna, Auckland
NZ Growth Capital Partnerslisted by NZ Growth Capital PartnersAuckland

How we know: NZ Growth Capital Partners's portfolio page · funding news · Not right? Tell us

Outset Ventureslisted by Outset VenturesAuckland · $100K – $10Mvia Mat Rowe · inferred

How we know: Outset Ventures's portfolio page · Not right? Tell us

Pacific Channellisted by Pacific ChannelAuckland

How we know: Pacific Channel's portfolio page · funding news · Not right? Tell us

Icehouse VenturesreportedAuckland · $120K – $2.4M

How we know: funding news · Not right? Tell us

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.

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, Enterprise Angels, Nuance Capital, NZ Growth Capital Partners, Outset Ventures, Pacific Channel, Icehouse Ventures.
How much funding has Wellumio raised?
Wellumio has disclosed $9.8M raised across 1 of its 3 known rounds.