A point of view on capital, technology and building.
How we think about building and investing. Two new pieces a month.
Negotiating a convertible loan: how cap and discount look from the investor's side of the table
Convertible loans from the investor's side: how cap and discount are derived, which clauses we do not negotiate, and why we notarize. With sources.
Read → ModelValuing work for equity: how the price of sweat equity actually gets set
Work for equity: how we price a work package at arm's length, with proof of performance, acceptance, and a worked example. The valuation question, answered.
Read → InvestmentsSmaller tickets, real proximity: how we think about co-investments
We do not lead rounds. We go in alongside befriended business angels, keeping the ticket small and the proximity large. What that means for founders, downsides included.
Read → ModelToken or equity: when a token stake actually fits
Tokens are one of our four routes, and the narrowest door. Why a token is almost never the company share in Germany, what MiCA requires, and when we deliberately recommend equity.
Read → Deep techDeep tech we understand: how we spot a real edge
In deep tech, substance is easy to claim and hard to verify. Why a patent is not a moat, which questions we actually ask, and where we honestly say no.
Read → NetworkThe network as capital: why operators are worth more than money
Money has become interchangeable; good operators have not. Why we judge every investment by who we can bring to the table, and how a grown network becomes the real edge.
Read → ProcessHow our investment committee decides
Once a week, Dennis Weidner and befriended business angels review every pitch that came in. What counts, how long it takes, and why everyone gets an answer from a human being.
Read → ThesisWhy we built The Agentics instead of just advising
Weidner Ventures could have advised The Agentics. We co-founded and built it instead. Why operating beats a good opinion in AI-agent ventures.
Read → ModelKnowledge for Equity: how we invest knowledge, not just money, and why it's fair
Everyone knows media-for-equity from ProSieben. We apply the same logic to knowledge and work: a service agreement plus a convertible, cleanly valued. How it works, legally and economically.
Read → MarketLive commerce: everyone plays defense. We build for the joy of buying.
Everyone plays defense with AI: safety, efficiency, cost. We build for the part they forget: discovery, buying, entertainment. A market thesis.
Read → Investment thesisAI agents as an investment thesis: where value really forms in 2026
Not in the model layer but in the application layer: why our AI-agent bets are about completed work, owned distribution and human governance. Three filters from our own operations.
Read → ModelWhy a project holding builds itself today
Build, Accelerate, Back: why the company-builder principle works more personally and collaboratively now, and why owning and operating beats passive capital.
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