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6 Counter-Conventional Entrepreneur Mindsets (John Mullins)

beginner6 min read · updated 2026-06-20

As taught by John Mullins (London Business School) · source

6 Counter-Conventional Entrepreneur Mindsets

As taught by John Mullins (a London Business School entrepreneurship professor), big-company

logic gets startups killed. He offers six mindsets that run against conventional management

wisdom — and the cash-flow ones are the part most beginners never hear.

"Yes, we can." When a prospective customer asks if you can do something slightly outside

your comfort zone, say yes — then go figure out how. Sell first, build second. Demand

validates the work before you spend on it.

Problem-first, not product-first. Big companies fall in love with products; entrepreneurs

fall in love with a problem worth solving. Start from the customer's pain, not your clever idea.

Think narrow, not broad. Conventional advice says chase a huge market. Mullins says

dominate a tiny, specific beachhead first — be the obvious choice for one narrow group.

Ask for the cash, and ride the float. Get paid before you pay your suppliers. This

"customer-funded" / negative-working-capital model lets you grow with no investors and little

capital — the customer's money funds the operation.

Beg, borrow — but please don't steal. Be relentlessly resourceful with other people's

assets. His example: the founders of Go Ape built a treetop-adventure business by borrowing

the UK Forestry Commission's trees instead of buying land.

Don't ask permission. Stop waiting for a credential, a gatekeeper, or the "right time."

Start, then adjust.

Presell before you build. Take a deposit or full payment for the result before you incur

the cost to deliver it. If nobody will prepay, you haven't found a real problem yet.

Engineer customer-funded cash flow. Structure terms so money comes in before it goes out

(upfront deposits, annual-paid plans, milestone billing). This is how you self-finance growth.

Pick one narrow beachhead and become unmistakably the best option for it before expanding.
Borrow assets you'd otherwise buy — equipment, audiences, distribution, space. Ownership

is a tax you pay later, not a requirement to start.

Solve a painful problem for a specific person, say "yes we can," and let the cash arrive

before the costs do. That combination lets you start with almost nothing.