Now
- Building
- Mockingbyrd, Agent Facets, EU27.cloud and Aletheia, all inside 3C Build.
- Funding
- Seed rounds in agent infrastructure, regtech and data-sovereign software. Category-defining companies in large, regulated markets.
- Based
- Los Angeles, CA
Updated 17 Oct 2026
Log
| Year | Name | Role | Status | Remarks |
|---|---|---|---|---|
| 2026 | Mockingbyrd | Founder | Building | AI agent governanceMockingbyrd is the control layer between AI agents and your machine. It decides what they may touch and keeps a record of what changed. |
| 2026 | Agent Facets | Founding Partner | Building | Vendor-neutral package manager and registry for agent capabilities: skills, commands, agents, MCP servers. |
| 2026 | EU27.cloud | Founding Partner | Building | Maps sovereign government data centres and data-sovereignty posture across all 27 EU member states. |
| 2026 | Aletheia | Founder | Building | A single source of truth for personal health data and medical records. |
| 2019 | CRS | Co-Founder | Live | Unified platform for fast, compliant access to credit, fraud and compliance data through a single API. |
| 2016 | Move37 | Co-Founder | Live | Context engine for AI agents built on continuous screen and mic capture. |
| 2020 | MyFavorito | Advisor | Live | Digital sport sponsoring and fan engagement. |
| 2016 | Protonet | Head of U.S. | Live | Secure project management and collaboration. |
| 2020 | AnchorMaps | Co-Founder & Advisor | Shut down | AR software linking physical places to their digital context. |
| 2018 | DanceFight | Co-Founder & Advisor | Live | Community where street dancers connect, compete and get rewarded. |
| 2022 | Schneeflocke | Founder | Live | Lifestyle products and services for dogs. |
| 2025 | FlightBed | Built | Live | Flight search that ranks itineraries by lie-flat seat availability. Amadeus data crossed with a curated aircraft database. |
| 2025 | RadarGridLA | Built | Live | iOS and Android voice alerts for LA's speed-camera locations. |
| 2024 | JCORE | Built | Live | Self-hosted voice assistant with persistent memory. Local STT, wake word and TTS on a single GPU server. |
| 2026 | Tendril | Built | Live | A single source of truth for your network and the relationships behind it. |
| 2014 | DreamMachine | Built | Live | Immersive experiences made from technology, music and light. |
About
German-born. Entrepreneur, investor and advisor. General Partner at 3Cubed.
Currently living my passion for building things in Los Angeles, CA.
Sailor, pilot, amateur lighting and interior designer. A Samoyed named Schnee, and more interests than hours.
Contact
Founders
Pre-seed and seed. Agent infrastructure, regtech, data-sovereign software. Send a deck and one paragraph on why now.
3cubed.vc →Build with 3C Build
Operators and engineers who want to start a company around one of our theses, or bring us one.
Write with "Build" in the subjecthello@marcobuhlmann.comWritten and maintained by hand. Last signed 17 Oct 2026.