Human x AI: GTM OS
Koen StamStrategy, playbooks, and execution systems from the GTM OS built on 10,000+ LinkedIn posts and 50,000+ hours of podcasts. Designed for founders scaling from €0 to €50M ARR who want clarity, not chaos.
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 64 | Subscribers | Read | koenstam.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
GTM OS Weekly #45: Go Deeper, Not Broader: The System That Builds Predictable Growth in 2026
### TL;DR – GTM OS Weekly #45
GTM OS Weekly #44: Annual planning and the psychology of winning
### TL;DR – GTM OS Weekly #44
GTM OS Weekly #43: “Preparing to Perform: The New GTM Advantage.”
AI doesn’t make you faster; preparation does. This week, GTM OS turned daily prep into a system where connection fuels clarity, and clarity drives performance.
GTM OS Weekly #42: Turning curiosity into compounding systems
What high-performing GTM teams are doing differently: automating prep, tightening workflows, and leading with trust.
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Authors
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GTM leader for European B2B scaleups 2M-50M ARR Co-Chapter Lead for Pavilion Amsterdam/Benelux Chapter AI Enthusiast and building the most relevant GTM OS community and eco-system.
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