

ACT Berlin #15 (AI Coworking Tuesday)
ACT Berlin #15 (AI Coworking Tuesday)
A working day for people building with AI in Berlin.
Bring your laptop (+ monitor cable). Ship something. Talk to people who get it.
// THE RULES
We keep it high-signal. No sales pitches. This is a space for those who actually build and deploy.
// THE FORMAT
Deep Work: Focus on your own projects in a curated environment.
Expert Deep-Dive: One high-level technical session per event to level up your stack.
Curated Networking: Connect with like-minded peers over lunch.
The day
09:30 — Doors open, coworking starts
12:05 — Workshop/Talk by Davi Ottenheimer
Agentic AI Gateway Enforcement of the OWASP Top 10
18:00 — Wrap
// WHAT WE'LL COVER
Davi Ottenheimer has over three decades in security engineering, operations, and assessments. He was Yahoo's "dedicated paranoid" responsible for two billion users, built client-side field-level encryption for MongoDB, and led security on Tim Berners-Lee's Solid project. He served on the founding board of the Silicon Valley OWASP chapter, was an early CISSP and PCI QSA, and co-authored Securing the Virtual Environment (Wiley). He's been writing about security at flyingpenguin.com since 1995. Currently he leads post-quantum research and preparedness with pqprobe.com and builds Wirken.ai, an open-source agent switchboard.
// WHO IT'S FOR
Founders, engineers, and researchers shipping AI where data exposure is a real cost and anyone who's ever hesitated before pasting sensitive context into their chat interface.
Hosted at w3.hub, 3rd Floor.
Apply to join. We curate the room. Tell us what you're building so we know you fit.