Gerrit Roska

I build custom AI software to solve people's problems.

Applied AI engineer building autonomous agents and native iOS apps. Based in Greenville, SC.

Building Ithiel & COSAI.

Some of my Work:

COSAI — AI Chief of Staff for founders. Voice, vision, execution, memory. cosai.cloud
Ithiel — iOS product studio. Production-ready apps in 14 days. ithiel.co
ENT Scribe — Ambient AI medical scribe. Deepgram + Claude. Live Site GitHub
FlowState — Productivity focus timer. Solo-built, App Store. App Store
PulseCheck — Real-time location Q&A. 68 Swift files, shipped in 7 days. GitHub
Agentic Workflows — Autonomous AI agents for content, research, and operations.
End-to-end pipelines that run without human intervention.

Join the Frontier →

“Do so much work it would be unreasonable that you don’t succeed.”
— Alex Hormozi
“Do not try to do everything. Do one thing well.”
— Steve Jobs