Starting A StartUp The Founder's Guide To Building A Product People Want
A Step-by-Step Framework for Validating Your Idea, Understanding Your Market, and Building a Product People Want
The 50 Step StartUp Founder Playbook
From Idea To First Customer
Build a winning team, create something people want and are willing to pay for, do it fast, keep it lean. That's the whole playbook.
Validate Your Idea
Learn how to test and validate your idea before writing a single line of code
Find Your Market
Discover techniques to deeply understand your target market and their needs
Build For Growth
Get a proven framework for building products that scale
"His approach isn't academic; it's forged from real-world trenches, offering an authentic, actionable roadmap for founders willing to put in the work. It's a must read"
What Founders Say
StartUp Frameworks
Battle-tested frameworks for every stage of your startup journey
Conative Index for Founders
STARTING Module 0.5As a founder, your natural problem-solving instincts play a crucial role in your startup's success.
Market Validation Canvas
MARKET Module 1.0Validate your market assumptions before building anything. Save time and resources.
Newsletter
Join 140,000+ founders receiving actionable insights every week
Insights
Deep dives into startup strategy and execution
The Founder's Guide to Product Validation
Learn the proven methods for validating your product before building.
Building in Public: A Strategic Approach
How to leverage transparency to build audience and validate ideas.
The Psychology of Pricing
Understanding how customers perceive value and make buying decisions.
From MVP to Product-Market Fit
A systematic approach to evolving your product based on market feedback.
About James
James Sinclair is the founder's founder. A serial entrepreneur with multiple exits who thrives in the chaos of early-stage startups. Where ideas are half-formed, and nothing is certain, James is the guy they call to help founders battle through the messy middle, uncover the real potential, and transform ideas into something customers actually want to buy.
He's guided ventures through Y Combinator and TechStars, worked with founders from Uber, Intel, and Meta, and built a reputation as the go-to strategist for turning dreams into viable, market-ready businesses. His weekly newsletter reaches 140,000 founders, who read his candid, actionable insights to navigate the brutal realities of starting a startup.
James has led innovation projects across both private and public sectors, most recently spearheading rapid innovation initiatives at SAP for giants like LinkedIn, Google, and Citi.
His mission is simple. Arm first-time founders with no-fluff strategies to stop building nonsense and start building businesses that win.