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The Definitive Drucker: Challenges For Tomorrow's Executives -- Final Advice From the Father of Modern Management
amazon.com
- Level one: Nascent product-market fit. Likely a pre-seed or seed-stage company. The goal in this stage is to find three to five customers with a problem worth solving, engage with them, deliver a solution, and validate that solution. [examples: Vanta, L
Lenny Rachitsky • A framework for finding product-market fit | Todd Jackson (First Round Capital)



Good strategy works by focusing energy and resources on one, or a very few, pivotal objectives whose accomplishment will lead to a cascade of favorable outcomes.
Richard Rumelt • Good Strategy/Bad Strategy: The difference and why it matters
The 4 Levels of PMF
pmf.firstround.com
Understanding Michael Porter: The Essential Guide to Competition and Strategy
amazon.com