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Sanmai Technologies

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A neurotechnology platform for non-invasive ultrasound neurotherapeutics, using AI to address mental health and neurological disorders

Sunnyvale, United StatesFounded 2020Health Tech & Medtech

Valuation $50–100M Last recorded · 2025

Headcount <100 Current team size

Total funding $10–50M Disclosed equity funding

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About Sanmai Technologies

Sanmai Technologies, a public benefit corporation, was founded by Jay Sanguinetti. Sanguinetti has a background in philosophy, neuroscience, and cognitive psychology, specializing in psychophysiological measures like EEG and fMRI.

Sanmai is a neurotechnology company that has developed a platform for non-invasive ultrasound neurotherapeutics to address mental health and neurological disorders. The company is currently in stealth mode and has created a device that combines artificial intelligence with ultrasound technology to scan the brain. This technology is designed to be a non-invasive alternative for treating these conditions. Sanmai is already conducting clinical trials for their device.

The company recently secured $12 million in a Series A funding round. The round was led by Reid Hoffman, the co-founder of LinkedIn, who has also joined the company's board.

MoreLess Source: Dealroom company data

At a glance

Status: Operational
Founded: 2020
Headquarters: Sunnyvale, United States
Employees: 10
Open positions: 3
Dealroom signal: 66.3/100
Industry: Health
Sub-industry: Medical Devices
Sector: Health Tech & Medtech, Mental Health, Brain Computer Interfaces, DT and LS, science-based
Technology: Deep Tech
Links: Website LinkedIn

Knowledge graph

Founder mafias, market maps, lists and research connected to this company by Dealroom

Market maps in Health Tech & Medtech

Market map Global Consumer Mental Health companies

Market map Tech based alternatives to animal testing Market map AI for clinical trials Nov 12, 2026

Funding history

2 recorded events

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
SERIES A✓Equity / VC	Jul 2025	$12M	$48M	Reid Hoffman	↗
SUPPORT PROGRAM✓Other financing	Feb 2025	$0	—	One Mind Accelerator	↗

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Growth signals

Sanmai Technologies website traffic

Latest recorded traffic for Sanmai Technologies is 1K monthly website visits, down 28.6% over the last three months.

Latest monthly visits1K 3-month web change-28.6%

Monthly website visitsJul 2025–Jun 2026

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Open positions

Openings linked to this company in Dealroom

Part time Project ManagerSunnyvale, CA · Project Management · Jul 19, 2026 Software EngineerSunnyvale, CA · Backend Development · Jul 16, 2026 Contract Technical WriterSunnyvale, CA · Other · Jul 16, 2026

3 distinct openings shownExplore hiring signals →

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Closest operating peers by Dealroom taxonomy

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