Builders, Not Bankers.
We're engineers, architects, and operators who believe the best ideas deserve the best technical execution.
Who We Are
Mach5 is a Venture Studio for entrepreneurs and innovators building at the frontier of technology. We started in Web3 — architecting blockchain nodes, building DeFi protocols, and deploying smart contracts. Over time, our mandate expanded to AI, fintech, and critical infrastructure.
But one thing never changed: we build. While venture capital firms offer capital and connections, we offer something fundamentally different — an entire engineering team with skin in the game. The bottleneck to innovation is no longer money. It's talent alignment and execution velocity. That's what we solve.
The Blueprint
The bottleneck to innovation is no longer capital — it's execution. Every great idea has a technical challenge at its core. We provide the engineering capability that turns vision into product. We're the technical co-founder who shows up with an entire platform team.
Execution Velocity
We measure velocity in shipped features, not meetings attended. Every engagement follows our 90-day sprint methodology: Calibration → Build → Launch. Three months. One shipped product. That's execution velocity.
Engineering Leadership
Christiaan van Steenbergen
Managing Partner & Lead Architect
Led the technical architecture of 15+ platforms across AI, blockchain, fintech, and infrastructure. Pioneer in combining engineering capability with venture partnerships.
George Toth
Strategic Advisor
Extensive experience in corporate structuring and portfolio management. Managed multiple IPOs and fund integrations across European markets.
Jan Willem van Schaik
Financial Controller
Financial Controller with 12+ years across enterprise technology at Sun Microsystems and Rabobank. Nyenrode University alumnus.
Marcus Altenburg
Legal Counsel
Registered with Düsseldorf Bar, specializing in Corporate Law, M&A, Banking, and Restructuring since 2007. Expert counsel for scaling technology companies.
Michal Sykora
Strategic Lead
Leading strategic initiatives across the portfolio. Deep expertise in e-commerce, new business development, and process optimization.
Mohammad Mahdi Mirzaeipour
Technical Lead
Combining technical engineering excellence with strategic execution. Oversees platform development across multiple active ventures.
Sandy Jay
Marketing Director
Leading marketing operations with a fusion of business strategy and engineering thinking. MBA in Business Administration with a background in engineering.
Philosophy
Understanding our thesis, engagement model, and what we bring to the table.