John Dauer
Founding Partner @ Helium-3 Ventures
New York, United States
John Dauer is a seed investor at Helium-3 Ventures in New York focused on Manufacturing and FinTech. John Dauer
- Total investments:
- 17
- Last investment:
- Lead investor:
- 18%
Last updated:
For AI agents: llms.txt
Industries John Dauer invests in
Stages John Dauer invests in
Countries John Dauer invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Manufacturing 4 (24%)
- FinTech 3 (18%)
- Mobile 2 (12%)
- Fashion 2 (12%)
- Finance 2 (12%)
Stage
- Seed 5 (29%)
- Series A 5 (29%)
- Series B 3 (18%)
- Pre-Seed 2 (12%)
Country
- United States 14 (82%)
- Mexico 1 (6%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Posh
|
POSH provides integrated battery energy storage solutions for commercial and industrial customers. | $3.8M / Seed / Jun 22, 2022 | |
Hydra Host
|
Hydra Host is a tool that provides cross-cloud capabilities to deploy and host apps across public cloud and private cloud providers. In addition to cross-cloud capabilities, Hydra offers high-level advisory, as well as expert implementation work with bespoke service engagements catered to client priorities. Whether security, resilience, orscale-focused. | $10M / Seed / Apr 06, 2022 | |
Array Labs
|
Array Labs designs and operates space-based radar systems and delivers 3D Earth imagery and geospatial data services. The company develops modular radar payloads and distributed radar satellite clusters that capture multi-angle data to generate detailed three-dimensional models of terrestrial surfaces and objects. It provides standalone radarinstruments for integration on satellite platforms, fully integrated satellite systems for customers that require dedicated sensing assets, and processed 3D data products via APIs or delivery channels. Array Labs also works with partners to support simulation and modeling of distributed radar constellations and to co-develop enriched datasets that combine radar and other sensing modalities. Its offerings support applications such as geospatial intelligence, infrastructure monitoring, and analytical workflows reliant on volumetric surface data. | $600K / Pre-Seed / Mar 10, 2022 | |
Quaise Energy
|
Quaise is an energy company that is developing and commercializing novel millimeter-wave drilling systems to harness geothermal energy around the globe, overcoming the geographic constraints limiting this energy source today. The company was founded in 2018 and is based in Cambridge, Massachusetts. | $40M / Series A / Feb 08, 2022 | |
|
Posh
|
POSH provides integrated battery energy storage solutions for commercial and industrial customers. | $500K / Seed / Jan 01, 2022 | |
Pair Eyewear
|
Pair Eyewear makes wearing prescription and nonprescription glasses and sunglasses exciting for children. Pair believes glasses for children can be more than a static medical device. Glasses can be a canvas on which children express their evolving interests and growing personalities. Through an e-commerce platform, Pair is redesigning the glassesexperience, making it engaging for children and painless for parents.Pair Eyewear was founded in 2017 by Nathan Kondamuri and Sophia Edelstein and is based in New York, United States. | $60M / Series B / Dec 14, 2021 | |
SEMPRE
|
SEMPRE provides the first EMP-hardened, resilient, secure military-grade communications and high-performance edge-computing infrastructure for telecom operators, first responders, government and enterprise customers. | $20M / Seed / Dec 14, 2021 | |
Rho Business Banking
|
Rho Business Banking is a digital banking service built and developed by New York-based fintech start-up Rho Technologies to accelerate growth for start-ups. Its products support high-growth businesses that work with entrepreneurs. Rho provides full-service digital banking solutions that integrates with the tools and services used by entrepreneursin running their businesses.The company was founded in 2018 and is headquartered in New York. | $75M / Series B / Dec 09, 2021 | |
Rho
|
Rho is the all-in-one financial platform organizations can bank on. We combine card, payments, and banking products with world-class software that traditional financial institutions don’t offer to help companies manage expenses, AP, banking, treasury, and month-end close with greater speed and efficiency. Designed to sync with your accountingsoftware, Rho’s full-stack finance platform empowers corporate finance teams and leaders with the technology they need to drive greater workflow efficiency, control, and visibility over how money moves in and out of their organizations. | $75M / Series B / Dec 09, 2021 | |
Lingrove
|
Lingrove manufactures high-performance natural fiber composites from plant-based fibers and resins using a proprietary process and adaptable platform. Its line of veneer and panel products is called Ekoa, which is sold B2B to manufacturers in the commercial interiors, transportation, and construction space. Inspired by nature’s greatest material,old-growth wood, Lingrove seeks to reduce deforestation and embodied carbon of buildings. | $5.3M / Series A / Nov 24, 2021 | |
| See all 17 investments → | |||
Co-Investors
About Helium-3 Ventures
We back the best founders building the most exciting and innovative companies for earth and beyond
Helium-3 Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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David Hendrickson
Founding Partner
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John Dauer
Founding Partner
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Matthew Bellamy
Partner
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FAQ
What does John Dauer invest in?
John Dauer invests primarily in Manufacturing, FinTech and Mobile startups, most often at Seed and Series A stage. Most of the 17 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact John Dauer?
Public channels for John Dauer include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did John Dauer last invest?
The most recent investment recorded for John Dauer closed in Jun 2022. Shizune tracks 17 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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