Atrinum. Ventures

Backing founders. Connecting companies. Compounding the result.

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We don't just invest in companies — we connect them. Our portfolio is a living network where Fintech infrastructure powers the creator economy, Health platforms and AI models serve multiple verticals at once, and every company participates in shared growth.
Capital that circulates creates more than capital that sits. We built the ecosystem to make that true — not as a philosophy, but as a mechanism.

Companies we support and build

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Fintech
Aequitex is a digital factoring marketplace providing liquidity solutions for enterprises (SMEs) and fully integrated crypto & Fiat payment solution.
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Healthtech
Biolyz FlexCo is a sports and biotech startup specializing in performance diagnostics.
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Healthtech
Atrinum Sports is a platform that invests in and structures sports-related opportunities across clubs, rights, and athletes.
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Fintech
Ultramarin develops AI-based forecasting models for global equity markets, empowering investors to make better investment decisions.
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FINTECH
NAO Invest is a technology-driven investment platform that enables investors to access, structure, and participate in private markets efficiently and transparently.
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Healthtech
WorldChanger  connects investors with high-impact startups and ventures focused on solving global challenges, combining capital, network, and strategic support to scale transformative businesses.
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AI
Ambrella is an AI-first venture studio that builds, funds, and scales companies from idea to execution.
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Fintech
Atrixa provides enterprise-grade tokenization for the compliant tokenization of real-world assets (RWAs) and securities.
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AI & DATA
AIPlattform, die Marken, Creators und Agenturen zusammenbringt — von der ersten Idee bis zum fertigen Reporting.

Focused on Fintech and Healthtech at the Earliest 
Stages of Growth.

Healthtech
Fintech
Digital Infrastructure
AI & Data

Atrinum Ventures partners with founders at the earliest stages of Fintech and Healthtech — building from scratch or investing before the crowd. We back companies with strong fundamentals and the vision to grow inside an ecosystem designed to accelerate them.

Our Team & Approach.
About Atrinum Ventures.

Our team combines builders and backers — entrepreneurs who have started and exited companies, financiers with deep capital markets experience, and technologists who understand what AI actually changes. Founded in Switzerland, with careers spanning Europe, the US, and emerging markets, we bring a genuinely international perspective to every partnership.

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Jan-Hendrik Rottmann

Director
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Weida Chen

Venture Partner
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Leonardo Furtado

Venture Partner
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Donatas Varnas

Venture Partner

Join the team.

Founded in Switzerland, Atrinum Ventures brings together entrepreneurial experience and investment expertise. Our team combines hands-on operational knowledge with a long-term investment perspective, supporting founders in navigating growth, strategy, 
and market complexity.

AI Solutions Developer

This role sits at the intersection of business intelligence and autonomous engineering. You will be responsible for identifying operational bottlenecks and designing multi-agent systems to solve them

Full time
remote
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Full time
remote
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“Atrinum Ventures has been more than an investor — a true strategic partner. Their insight, hands-on involvement, and long-term perspective have played a crucial role in our growth.”
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Matthias
Co-Founder