Not a Blank Prompt. A Guided GTM Session.
Built for startup founders and lean teams who don't have the time or budget for a full GTM team — expert-designed, AI-powered sessions guide you step-by-step into a Decision Deck, 1-page report, or templates in ~10–20 minutes.
Get real consulting as you chat — then walk away with structured outputs you can actually use.
Subscribe to access sessions, templates, and articles → https://leanstack.substack.com/

How Leanstack Works
A system that combines expert-built workflows with AI — so you get real strategy, not just answers.
Subscribe on Substack
Access expert frameworks, real examples, and the thinking behind each Leanstack Session.
- ✓Proven GTM frameworks used in real companies
- ✓Articles that connect directly to sessions
- ✓Templates you can reuse across your team
Run a Leanstack Session
Expert-designed, AI-powered sessions guide you step-by-step giving you real consulting.
- ✓Not a blank prompt — structured expert workflows
- ✓Adaptive questions based on your answers
- ✓Built-in guidance, benchmarks, and recommendations
Use & Share the Output
Walk away with structured deliverables built for execution — ready to share and act on.
- ✓Align co-founders and teams instantly
- ✓Share clear thinking with stakeholders
- ✓Move from planning → execution faster
What You Walk Away With
Every session produces real, usable deliverables — built from expert workflows and AI — so you can move fast with clarity.
Decision Decks
A clean, structured 5-slide deck built from your answers — combining expert frameworks and AI to help you align co-founders, advisors, and your team fast.
1-Page Reports
A concise summary of your session with benchmarks, bottlenecks, and prioritized next steps — perfect for weekly planning and team alignment.
Custom Templates
Reusable frameworks tailored to your session — connected to Substack playbooks so you can implement immediately and scale what works.
Built from expert workflows refined over 1.5+ years — powered by AI, not replaced by it.
From Session → Decision Deck
Answer a few guided questions — then watch your Decision Deck get built in real time.
Run the Session
No blank prompt. Leanstack guides you step-by-step with expert-designed questions and real consulting as you go.
Your answers are structured in real time — building toward your final output.
Your answers → structured slides → clear next steps

Get Your Decision Deck — Powered by Gamma
Want to see an example of what a Leanstack Session can generate?

Executive Summary

Revenue Snapshot

Opportunity Architecture

Metrics & Definitions

90-Day Plan
Subscribe to access sessions, templates, and articles → https://leanstack.substack.com/
One System. From Insight → Action → Output.
Leanstack isn't a collection of tools — it's a connected system. Each week, new articles, sessions, and templates are published through Substack — so you can learn a concept, then immediately apply it in a guided Leanstack Session. After subscribing, you'll unlock subscriber-only session links — each one takes you directly into a guided session on leanstack.me where you turn insights into real outputs in minutes.
Articles → Context
Clear, founder-focused breakdowns of real GTM challenges — no fluff, just what matters.
Sessions → Guided Action
Expert-designed, AI-powered sessions that guide you step-by-step — no blank prompt box, just structured thinking and real consulting as you go.
Templates → Execution
Reusable outputs — decks, reports, and trackers — generated from your answers and ready to use immediately.
Get Clarity. Then Execute.
Leanstack helps you move from scattered ideas to clear decisions — fast.
Start with our free articles. Then unlock guided sessions that turn your thinking into real plans, decks, and templates you can actually use.
© 2026 Leanstack — Structured thinking, powered by expert workflows + AI