Why You Shouldn't Pivot on Startup Mentor Advice Alone
Outsourcing decisions to experts is still outsourcing decisions.
By Tristan Kromer · Quick Answer: Don’t pivot your startup just because an investor or startup mentor told you to — that’s outsourcing your decision-making. As product managers, we should treat mentor feedback as a hypothesis to validate, not a directive to follow. Take their input into the field, talk to real customers, build an MVP, and let the data guide your pivot decisions. It doesn’t take much — even five customer conversations can provide meaningful evidence.
Let me explain. Investors, startup mentor, advisors, and other experts are great to talk to. They’ll offer valuable insight on market sizes, suggest great customer acquisition strategies, and sometimes offer you wads of cash to continue with your business. But when I hear someone say,
Based on feedback from our investors we’ve pivoted our idea.
…I can’t help but cringe. (Update: This behavior has now been dubbed The Assisted Blind Pivot) I’ve said it again and again… Beware of the startup mentor If you’re prepared to unconditionally and without investigation accept someone else’s opinion of what your customers want, there are only two possibilities:
- You’re not doing enough customer development.
- You are some form of invertebrate. Perhaps a mollusk. (Ok…I can’t think of a really clever way of saying you’re spineless.)
Similarly, if someone, including me, tells you something isn’t a great idea and there’s no market for it there are only two acceptable responses. Either:
That’s interesting. I’m going to take that thought out into the field and validate it with my customers.
OR…
You’re wrong. I’ve spoken to dozens of customers, I have a validated customer persona, built an MVP to test key behavioral hypotheses, and the data doesn’t back what you’re saying.
Even if it’s someone you respect and they’ve tried a similar business model before, you’re doing yourself a disservice by not doing the customer development yourself. It doesn’t take a lot of effort to go out and talk to five people, and you’ll only get better by engaging in the process. Cheers, Tristan
Frequently Asked Questions
Why is pivoting based on investor feedback a bad idea for startups?
Pivoting solely on investor or startup mentor feedback means you’re outsourcing your decision-making without validating assumptions with real customers. Investors can offer valuable insight on market sizes and acquisition strategies, but they aren’t your customers. As product managers, we need to take that feedback into the field and validate it through actual customer development before making major strategic shifts.
What should you do when a startup mentor tells you your idea won’t work?
There are only two acceptable responses. Either say “That’s interesting, I’m going to validate that with my customers,” or push back with evidence: “I’ve spoken to dozens of customers, built an MVP, and the data doesn’t support what you’re saying.” Even if the mentor has tried a similar business model before, we owe it to ourselves to do the customer development work firsthand.
What is an Assisted Blind Pivot in lean startup?
An Assisted Blind Pivot is when a startup changes direction based entirely on advice from investors, mentors, or advisors without doing any customer validation first. It’s considered a lean startup anti-pattern because it skips the critical step of testing assumptions with real customers, essentially letting someone else’s opinion replace evidence-based decision-making.
How much customer development do you really need before pivoting?
It doesn’t take a massive effort — talking to as few as five customers can provide meaningful insight. The key is that we engage in the process ourselves rather than relying on secondhand opinions. Through direct customer conversations, validated personas, and MVP testing of behavioral hypotheses, we build the evidence base needed to make informed pivot decisions.
Can you still take advice from startup mentors and advisors?
Absolutely. Startup mentors, investors, and advisors offer valuable perspectives on markets, strategies, and business models. The problem isn’t listening to them — it’s unconditionally accepting their opinions without investigation. We should treat mentor feedback as a hypothesis to validate, not as a directive to follow. Use their input as a starting point for customer development, not a substitute for it.
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