Know which product ideas deserve development, before capital is committed
Evidence Before Investment.
Biernath Consulting helps CEOs of product-driven manufacturers, roughly $5M to $200M in revenue, pressure-test product ideas before development begins. The discipline is called Pre-Development Pressure-Testing™, and it puts tooling, line time, and your best engineers into products that can win.
When your team is looking at a new product, major update, or growth initiative, one question matters most:
Does this deserve development?
Build What Wins™ answers it before momentum makes the decision expensive.
The problem is not that you need more ideas.
Most product companies already have ideas, engineers, and technical talent. They have smart people in the room.
The harder question is earlier:
Which ideas actually deserve development investment?
Nine out of ten new products miss their business expectations. Almost none of them fail in engineering. They fail at the decision in the middle: which ideas deserve resources. Most companies run that decision on votes, politics, and gut feel.
Decisions move forward because the idea is exciting, the technology is possible, or momentum has built. Engineering signs off on what's feasible. Then the real risks appear later.
- The market demand was weaker than expected.
- The customer pain wasn't urgent enough.
- The advantage was harder to defend.
- The economics didn't hold.
- The timing was wrong.
By then, the company has already spent engineering time, leadership attention, development budget, and internal credibility. Failed programs typically run $100K to $500K before the flaw surfaces on its own.
In one of our executive roundtables, a CEO realized, out loud, that half of the product development work at his company had never been authorized by him. Those projects had come to exist through incremental steps in conviction that overstepped the evidence. No single decision. No explicit GO. Just momentum.
A pattern we keep seeing
Build First, Hope Later.
Build What Wins™ replaces it with a better operating discipline.
Evidence Before Investment.
Development stays fast, and the right ideas move forward with reasoning leadership can defend.
Each initiative is pressure-tested across the questions that determine whether it can actually win. Then leadership decides:
Not from gut feel.
Not from the loudest voice in the room.
Not because the team has already fallen in love with the idea.
From visible reasoning.
The Build What Wins™ Screen.
Every product initiative is evaluated through four investment questions. The answers determine the decision path.
Is there real customer pull and economic value?
Plenty of products are technically impressive and still fail because the market doesn't care enough to pay. Viability asks whether the opportunity is real outside the conference room.
Can the company sustain advantage over time?
A product can gain traction and still become a commodity. Defensibility asks whether the company can protect margin, position, and strategic value.
Can the organization build and scale it with real capabilities?
Technically possible isn't the same as operationally realistic. Feasibility asks whether the company can deliver under real-world constraints.
Is the market ready now?
Good ideas fail when the window is wrong or critical dependencies aren't in place. Timing asks whether now is the right moment.
Together, these four questions create the decision path
A STOP is not a verdict that the idea is bad. It is a statement that the idea has not yet earned the next dollar, with the specific evidence that would reopen it written down.
The Audit that paid for itself on day three.
A $20M contract manufacturer asked us to pressure-test a product their customer had requested. The Pressure-Test Audit stopped it on day three. No end buyer had confirmed willingness to pay, and no industry benchmark supported the price the business case needed. The STOP preserved the tooling budget and the production capacity that had been penciled in for a product with no confirmed buyer.
When the fatal flaws surfaced, of a scheduled multi-day Audit.
Tooling and production capacity preserved by the STOP.
A full Pressure-Test Sprint, kickoff to GO, PIVOT, or STOP.
A customer requesting a product is not market validation.
What leadership actually walks away with.
The work produces clear, executive-ready outputs.
Prioritized opportunity shortlist
A ranked view of which initiatives deserve attention first, backed by criteria, evidence, and visible reasoning.
Assumption audit
The hidden risks shaping the investment decision, surfaced while they can still be tested.
GO / PIVOT / STOP recommendation
A clear decision path before resources are committed, with reasoning leadership can defend internally.
90-day action plan
Concrete next steps to reduce risk and move the strongest opportunity forward.
The outcome is not a prototype.
The outcome is clarity.
The right engagement depends on the decision in front of you.
The engagements form a ladder. Start where the question sits, and go deeper only if the idea earns it.
Build What Wins™ Strategy Session
Clarify the decision and identify the right next step. Best for leadership teams evaluating a new product, major update, growth initiative, or innovation investment.
Idea Prioritization Workshop
Teams juggling multiple ideas and limited resources.
Reduces clutter in the innovation pipeline and identifies which idea deserves attention first.
A prioritized shortlist of the strongest opportunities, ranked with visible reasoning. The single idea most worth pressure-testing next.
Pressure-Test Audit
One product idea that needs a focused read before committing to a prototype or a full Sprint.
Stress-tests the assumptions that decide the outcome. CEOs use it three ways: as a readiness check before prototyping, as the gate that determines whether a full Pressure-Test Sprint is justified, and as a targeted evidence hunt when a promising idea rates high but scores low because the evidence is not there yet. The Screen discounts ratings the evidence cannot support, so the Audit goes and gets the evidence, or shows it is missing for a reason.
Prototype readiness rating. Key risk areas identified. A GO, PIVOT, or STOP recommendation, and a clear read on whether a full Sprint is warranted.
Pressure-Test Sprint
Higher-stakes initiatives that need deeper evidence before major development investment.
A ten-day due-diligence process across Viability, Defensibility, Feasibility, and Timing, so leadership can decide before serious resources are committed.
Comprehensive Build What Wins™ assessment. An evidence-based GO, PIVOT, or STOP recommendation. 90-day action plan.
Product Investment Prioritization Workshop
Leadership teams making portfolio-level resource decisions across multiple initiatives.
Evaluates active or proposed initiatives and decides where engineering capacity, capital, and attention should go.
Executive alignment on product investment priorities. Clear prioritization. Identification of which initiatives should proceed, pivot, stop, or be reworked.
Every fee is fixed before the work starts and does not change with the answer. I am paid the same whether the call is GO, PIVOT, or STOP. That is what makes the recommendation worth having.
Technical fluency. Executive judgment. Real product experience.
Build What Wins™ was created by Rolf Biernath, PhD, founder of Biernath Consulting, Inc. and of the discipline of Pre-Development Pressure-Testing™.
- 30+ years leading innovation at 3M.
- 58 U.S. patents across materials, sensors, hardware, software, and advanced manufacturing systems.
- Multi-million-dollar product programs across manufacturing and advanced technologies.
- PhD in Chemical Engineering, UC Berkeley.
- Speaker at PDMA, ASQ, ProductCamp, and executive leadership forums.
- Author contributor to The Generative Organization.
- A method built from a structured retrospective of 50+ real product programs: why they succeeded, why they failed, and which fatal flaws were knowable early.
- Raised in a small-business household, so he knows what a single product line means when it is your own money on the line.
The 30 / 58 / 50 standard
Any advisor you trust with a product investment decision should clear three bars.
30: three decades of product-development leadership inside a research-driven manufacturer.
58: fifty-eight issued patents. Scientist-grade depth applied to real products. Of those 58, only three or four made real money, and studying why is the honesty this work requires.
50: fifty-plus real product programs analyzed in a structured retrospective and codified into a transferable method. This is the bar almost nobody clears.
This is not consulting theory.
This is product judgment earned in the real world.
What 3M colleagues and industry leaders say about Rolf
Rolf is a very skilled practical scientist often working on the highest technology projects with thoughtfulness, maturity and innovation. I can always trust Rolf to give me an unbiased view of technology and its potential for success.
Alan Hulme-Lowe – Executive, 3M
Rolf is incredibly easy to work with and a goldmine of PRACTICAL ideas. Our clients absolutely love our new AI features. If you need a brilliant, easy-to-work-with consultant, you need to talk to Rolf.
Dan Adams – CEO, The AIM Institute
Rolf is one of 3M's most versatile innovators. His contributions span chemistry, optics, electronics, and software, a breadth rarely seen at 3M. He elevates every team he works with, both as an inventor and a leader.
John Wheatley – Division Scientist, 3M
What CEOs say after the work.
Pressure-Test Audit
It identified risks and suggested cheap experiments that can be carried out quickly. Worth every dollar.
– CEO, Mid-Market Manufacturer
Idea Prioritization Workshop
The evidence-based approach shut down argumentation and got our team aligned.
– CEO, Precision Manufacturer
The custom criteria really draws out what our company excels at.
– Director of Engineering, Specialty Components and Assemblies Manufacturer
Pressure-Test Sprint
It brought clarity to the risks and opportunities. We are able to make an informed and explainable decision about the product opportunity.
– CEO, Midwest Manufacturer
It opened our eyes to a promising idea we had been pondering for 2 years but hadn't acted upon.
– CEO, Product Design and Marketing Company
Built for product-driven companies making real investment decisions.
Build What Wins™ is built for founder-CEOs and leadership teams at product-driven manufacturers in the $5M to $200M revenue range, where a wrong product bet is measured in tooling dollars and quarters of lost time. The fastest qualifier: is the product physical? If yes, keep reading.
Best-Fit Companies
This Is a Fit When…
- You have multiple product ideas competing for resources.
- You're considering a new product, major update, or growth initiative.
- Your team is technically capable, but the market case is still unclear.
- Engineering resources are stretched across too many initiatives.
- A prototype is being discussed before the core assumptions have been tested.
- Leadership needs a clearer way to decide what moves forward.
- You want a decision your team can explain, defend, and act on.
And When It Is Not
- Pure software or SaaS products. The economics of testing ten things cheaply are different, and this discipline is built for physical products.
- Job shops building to a customer's print with no product IP of their own. Contract manufacturers who customize process or materials are a fit; print-to-spec shops are not.
- Pre-revenue startups still searching for product-market fit. The problem here is survival, not portfolio choice.
- Teams that want more brainstorming. This work exists to determine which ideas deserve to exist, and most companies already have more ideas than capacity.
Start with the newsletter.
The Build What Wins™ newsletter on LinkedIn takes on one product-decision pattern at a time: why good teams spend eighteen months building the wrong thing well, where the moat actually lives now, and what to pressure-test before the prototype. One idea per issue, written for the CEO who commits the capital.
Does this deserve development?
Let's find out before you build it.
If you're evaluating a product investment decision, start with a Strategy Session. We'll clarify the decision, identify the critical assumptions, and determine the right next step.