We back AI & AdTech founders.With equity, a network that opens doors, and ideas that turn into revenue.

Approach

We know how to build and scale.
And repeat.

Two exits, seven active ventures, 20+ years in the game. We don't advise from the sidelines -- we've built the companies, scaled the teams and closed the deals ourselves.

Active portfolio

Sovereign Media

Media planning and buying

The media planning and buying partner for agencies. Senior media people plan, buy and run local and international campaigns for advertising, creative, PR and communication agencies and their brand and institutional clients in the USA, Europe and India.

Dehaze

HealthTech

HealthTech scaleup focused on digital health solutions. Successfully transitioned from angel investment to seed round. BC Convest supported go-to-market strategy and scaling from day one.

aarnt bioworks

BioTech

BioTech infrastructure for precision agriculture. AI-driven yield optimization. Pre-seed investment, alongside access to an international network.

AI.FUND

Venture / AI

Limited partner in a venture fund backing European AI companies, built as a counterweight to the US- and China-dominated ecosystems.

AcceleratorX

European startup accelerator. I mentor early-stage founders on go-to-market, capital strategy and operating discipline.

Cohort 1 mentee:

Track record

2012 -- 2026

klaro media GmbH

Scale and exit of specialized media agency in Germany for data-driven programmatic planning and buying with strong focus on creative agencies.

Exit to Auctus Capital & MAI Group
2010 -- 2012

upvalue GmbH

Founded a digital ad network and publisher monetization platform focused on performance-based display advertising.

Exit to Stroeer SE & Co. KGaA