Screw It, Let's Do It.
Capital · Conviction · Craft
01 · A note from the founder
We know what building costs.
We spent the last fifteen years building Bird — from the first line of code to five trillion messages a year. Sildi is what we do with what we learned there: back founders early, decide quickly, and stay out of the way until we can actually help.
We invest our own capital. There is no committee to convince, no fund clock running down. When we say yes, it is conviction — not consensus.
If what you're building feels too early, too hard, or too strange to explain in a partner meeting, we'd like to hear about it first.
— Robert Vis, Founder
02 · Portfolio
03 · Flagship
BirdFounded in 2011, and built into the platform behind five trillion messages a year.
04 · Team
Robert Vis
Founder
Serial entrepreneur with 16+ years building technology companies. Founded Bird in 2011, growing it to a $3.8B platform processing 5T+ messages annually. Co-founder of People for People Foundation.
LinkedInMayke Nagtegaal
Partner
Former COO and CFO of Bird, where she led the company through its landmark €60M raise — Europe's largest early-stage software investment at the time. Entrepreneur and board member at Bird, Nedap and Techleap, with a focus on disciplined execution, AI and corporate governance.
LinkedInAnne Rikst Engbers
Operations
Long-standing operational lead across Bird and Sildi. Manages day-to-day execution, investor relations, and portfolio coordination from Amsterdam.
LinkedInScrew it.
Let’s do it.
05 · Contact
Back conviction. Build before consensus. Move before the world catches up.