Rachel Simmons

Product development becomes expensive when founders treat belief as evidence. This book reframes early venture building as a decision system where customer evidence reduces strategic waste before scale makes errors harder to reverse. It examines MVP design, feedback loops, and business model testing as operating mechanisms rather than startup rituals. Readers see how weak signals become useful when teams define assumptions clearly, expose them to customers, and separate learning metrics from vanity indicators. The focus is not speed for its own sake.
It is disciplined uncertainty management: smaller experiments, sharper decisions, and clearer allocation of time, capital, and attention. For European markets shaped by regulation, fragmented demand, and cautious capital, this approach offers strategic leverage before expansion pressure begins.