Leverage Voice of Customer like an Intuit PMM

If there's one phrase you hear on repeat in product marketing, it's customer obsession. We all want to be the voice of the customer inside our companies, but here's where most PMMs fall short: workload. We carry so much ownership already that carving out time for true customer insight often feels impossible. Where do you even start? How do you make it repeatable? And how do you scale an effort like that?

The brutal reality is that customer insights aren't nice-to-haves. They're the cornerstone of great product marketing. Without them, your ICP is a guess, your messaging is shaky, and your go-to-market strategy rests on hope instead of evidence. Most of us know this, yet we're still winging it because building a proper voice of customer system feels overwhelming when you're already drowning in tactical work.

That's exactly why today's conversation matters. We're unpacking how to stop talking about customer obsession and start building a voice of customer system that actually scales.

Langley Barth's story is all about service. He started his career as a US Naval officer leading crews on warships, protecting against piracy, and running ballistic missile defense missions. It's an unconventional path into product marketing, but that foundation of empathy, discipline, and service has translated beautifully into a career built around championing customer voices. 

Today, Lang's a lead PMM at Intuit, reimagining how professional tax software serves high-value firms. He mentors hundreds of military veterans each year, helping them find their next chapter. And when he's not doing all that, you'll find him in his San Diego backyard tending to his mini orchard of 16 fruit trees and thousands of backyard honeybees.

Today, Lang's sharing his structured, scalable approach to voice of customer that actually works within the constraints of a busy PMM's reality.

Prep Like Your Launch Depends on It

Langley starts by aligning with leadership on compelling topics that matter. His process involves collaborating with thought partners to design laser-focused interview scripts, diving deep into firmographics like firm size and geography. The goal? Understanding if current propositions resonate differently across customer segments. It's strategic, it's targeted, and it's miles beyond those generic "how are we doing?" surveys most companies send out.

Master the Customer Conversation

Here's where Langley gets brilliant. He blends quantitative with qualitative questions in his sessions. It's about building genuine trust and ensuring customers don't feel like they're being sold to. They're not data points to extract insights from; they're partners in the journey. This approach transforms typical customer interviews from awkward interrogations into authentic conversations that reveal what customers actually think versus what they think you want to hear.

Let AI Handle the Heavy Lifting

Langley's secret weapons? Google's Notebook LM and Gemini Gems. These AI tools help him sift through mountains of customer feedback to extract patterns and insights that even experienced PMMs might miss. It's not about replacing human judgment. It’s about amplifying it with technology that can spot trends across hundreds of conversations.

Turn Insights Into Action

Once insights are polished, Langley's readouts with cross-functional teams aren't just PowerPoint presentations filled with charts. They're validation sessions, discussion catalysts, and action drivers that get everyone aligned on what customers actually need versus what we think they need.

Messaging Critique

We also dove into our messaging critique segment, dissecting Eight Sleep's approach to sleep technology. Their messaging hits hard with claims like "25% more deep sleep," targeting young professionals obsessed with optimising personal health. Compelling? Absolutely. But we spotted opportunities to weave in more storytelling that provides real-life context to those impressive stats. What does 25% more deep sleep actually mean for your daily performance, relationships, and overall life satisfaction?

Langley's passion for customer insights is genuinely infectious, and his structured approach is an incredible blueprint for anyone wanting to move beyond customer obsession theater. Whether you're in the tactical trenches or driving strategy, his methodology transforms the voice of the customer from buzzword into the beating heart of everything you do.

The voice of the customer isn't just marketing speak. It's the powerhouse that drives genuine success when you actually know how to harness it.

LINKS:

Eight Sleep (messaging critique): https://www.eightsleep.com 

Connect with Langley: 
LinkedIn:https://www.linkedin.com/in/langleybarth/  

Connect with Elle:
LinkedIn: https://www.linkedin.com/in/elle3izabeth/

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