Lenny's PodcastHow to drive word of mouth | Nilan Peiris (CPO of Wise)
At a glance
WHAT IT’S REALLY ABOUT
Wise CPO Reveals Systematic Playbook For Explosive Word-of-Mouth Growth
- Wise CPO Nilan Peiris explains how Wise built a business where roughly 70% of new customers arrive via word of mouth, powered by a product that is radically cheaper, faster, and easier than alternatives. He details how they use NPS not just as a vanity metric but as a predictive driver of virality, tying recommendation behavior directly to product quality and specific experience pillars. Nilan contrasts incremental optimization with a ‘10x better’ mindset, sharing examples like instant transfers, ultra-low pricing, eKYC in Singapore, and central bank integrations that took years but created remarkable experiences. He also walks through Wise’s product and org design, how they think about experiments vs. conviction, and subtle product-marketing techniques that make customers truly perceive the value they’re getting—thus motivating them to share.
IDEAS WORTH REMEMBERING
5 ideasTreat NPS as a growth lever, not just a satisfaction metric.
Wise correlated referral behavior with NPS and found that moving customers from 6→7–8→9–10 roughly doubled how many people they told at each step. That insight led them to orient product work around increasing NPS because it increases the viral coefficient of every cohort, compounding over time.
Identify a few product pillars that must be 10x better than alternatives.
From qualitative NPS comments, Wise distilled three pillars that drive advocacy—price, speed, and ease of use. They learned that being marginally better (e.g., 5.9% vs 6%) wins usage but not recommendation; only when they were 8–10x cheaper and meaningfully faster did customers start evangelizing.
Work backward from the theoretical ideal, then commit to hard, multi‑year bets.
Instead of incremental improvements, Wise asks, “What is the theoretical minimum price and maximum speed?” and then invests years into solving core infrastructure (e.g., central bank accounts, instant transfers, eKYC) to get as close as possible. These ‘impossible’ feats are what truly “blow users’ socks off” and generate organic word of mouth.
Align pricing with actual cost drivers and reinvest efficiency into lower prices.
Wise mapped every operational, risk, and partner cost at a transaction level, charged high-cost segments more, and passed savings to everyone else. This cost-transparency plus constant engineering to reduce people-costs, risk costs, and partner fees allowed them to sustainably drop average prices from ~0.5% to ~0.35% and unlock new, more price-sensitive segments.
Use product marketing to close the gap between actual and perceived value.
Customers often didn’t realize how much they saved or how fast transfers were. Wise added clear comparison graphs and celebratory instant-transfer UX, then put a share/referral hook right there; this alone reportedly tripled sharing. Making the invisible value visible can be as powerful as improving the underlying product.
WORDS WORTH SAVING
5 quotesTo get to recommendation, you've got to blow your users' socks off. You have to give them an experience they didn't know was previously possible.
— Nilan Peiris
If you move conversion rate by 10%, you get a one‑off hit. If you move NPS from 30% to 50%, you increase the viral coefficient of your customer base.
— Nilan Peiris
We only got the advocacy when we were eight to ten times cheaper. Customers would use us if we were a bit cheaper, but they wouldn’t talk about us.
— Nilan Peiris
You can’t split‑test your way to love.
— Nilan Peiris
The thing that defines success is the speed at which you pick yourself up.
— Nilan Peiris
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