Koshu Kunii
General Partner @ Lifetime Ventures
Koshu Kunii is a pre-seed investor at Lifetime Ventures focused on Health Care and Sustainability. Koshu is a General Partner at Lifetime Ventures. Prior to Lifetime, he worked for financial institutions and international organizations, including IFC (World Bank Group), where he invested in fintech startups in emerging markets globally. A Japanese native raised in four countries, he has worked in Switzerland, the U.S., Mexico, and France. Heholds a master's in international economics and finance from Johns Hopkins University SAIS.
- Total investments:
- 11
- Last investment:
- Lead investor:
- 91%
Last updated:
For AI agents: llms.txt
Industries Koshu Kunii invests in
Stages Koshu Kunii invests in
Countries Koshu Kunii invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
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Investment Focus
Industry
- Health Care 3 (27%)
- Sustainability 3 (27%)
- Artificial Intelligence 3 (27%)
- Medical 2 (18%)
- InsurTech 2 (18%)
Stage
- Pre-Seed 8 (73%)
- Seed 3 (27%)
Country
- Japan 3 (27%)
- United Kingdom 2 (18%)
- Kenya 1 (9%)
- France 1 (9%)
- Germany 1 (9%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Atierra develops a microalgae bioproduction platform that uses carbon dioxide and controlled cultivation processes to produce fatty acid-rich oils. The oils are intended as feedstocks for sustainable aviation fuel and as inputs for biomaterials, food, wellness, and skincare applications. The company also explores microalgae-derived materials,including pigment products. | $375.4K / Pre-Seed / Aug 31, 2026 | ||
| Veritus is an AI-driven startup launched to tackle the twin challenges of information overload and labor-intensive research workflows. It serves researchers at universities, institutes, and companies by automating steps like literature reviews, manuscript comparison, and specific data extraction. | $252K / Pre-Seed / Jul 18, 2025 | ||
| MediSun Energy is a technology-driven company dedicated to providing clean and affordable energy. The company's WEGEN Reverse Electrodialysis (RED) technology transforms saltwater into electricity, unlocking the ocean's immense potential for renewable energy. Dedicated to achieving a net-carbon-neutral future, the goal is to build a worldpowered entirely by clean, sustainable energy through the seamless integration of commercial viability and eco-friendly solutions. | $3.2M / Seed / May 22, 2025 | ||
| Silcast is a startup focused on enhancing sustainable ecosystem management by analyzing water stress and individual tree growth patterns. Its mission involves leveraging data-driven insights to optimize green spaces across urban environments, agriculture, and forestry, aiming to bolster ecosystem resilience. | $340.5K / Pre-Seed / Apr 22, 2025 | ||
| Artio provides insurance products for carbon projects from the earliest stages through our proprietary data-driven risk model with insights into real-time risk monitoring.We de-risk investments into carbon projects by providing insurance and risk mitigation tools from the earliest stages. Our team consists of experts in carbon markets, projectfinance and insurance which allows us to understand carbon project risk holistically. | $717.4K / Pre-Seed / Nov 05, 2024 | ||
| Nutrix is an award-winning Swiss health-tech innovator that combines the power of AI with wearables and human care to provide cost-effective prevention and healthcare programs that work. In 2025, the company is expanding its offering with CortiSense, the first Swiss non-invasive cortisol monitoring sensor, CES Innovation Award Winner. | Seed / Jul 01, 2024 | ||
| ekei labs provides a biological age testing kit that optimizes health. | Pre-Seed / Dec 01, 2023 | ||
| Artificient is a deep-tech start-up originated from ika at RWTH Aachen, Europe's leading institute in automotive engineering. Game-Changing computer vision AI technology for Drivers' Digital Twin Profile. No more black boxes for insurers or drivers We are leveraging cutting-edge computer vision AI technology to develop Europe’s 1stAI-powered smart driving app to disrupt the UBI market. Our proprietary AI computer vision algorithm offers deep-tech B2B software incorporating our world-leading Vision-Enabled video telematics into a smartphone mobile app, for next-generation smarter and greener mobility. We are proud to have RWTH Aachen & WHU alumni lead our international & female-empowered founding team. | $806.2K / Pre-Seed / Jun 09, 2023 | ||
| VunaPay is an agritech payment company that uses collects, manages and payouts of farmers with the help of IoT technology. | Pre-Seed / Mar 02, 2023 | ||
| Blusink is an ocean-based carbon removals company. | Pre-Seed / Jan 20, 2023 | ||
| See all 11 investments → | |||
Co-Investors
About Lifetime Ventures
Lifetime Ventures is a pre-seed vc that invests in earnest, unconventional “talent” to create businesses that will last for 30 years.
Lifetime Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Marcel Schneider
Owner
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Koshu Kunii
General Partner
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Ryosuke Kimura
Founder and General Partner
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FAQ
What does Koshu Kunii invest in?
Koshu Kunii invests primarily in Health Care, Sustainability and Artificial Intelligence startups, most often at Pre-Seed and Seed stage. Most of the 11 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Koshu Kunii?
Public channels for Koshu Kunii 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 Koshu Kunii last invest?
The most recent investment recorded for Koshu Kunii closed in Aug 2026. Shizune tracks 11 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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