Lenny's Podcast: Product | Career | Growth

How marketplaces win: Liquidity, growth levers, quality, and more | Benjamin Lauzier (Lyft, Thumbtack, Reforge)

September 29, 2024

AI Summary

5 min read

Ben Lauzier, with experience scaling supply at Lyft and rebuilding Thumbtack's growth, shares principles for marketplace execution, emphasizing that most challenges mirror non-marketplace startups but with dual-sided dynamics.

Pre-product-market fit priorities

Before marketplace flywheels kick in, founders overcomplicate ratios and dynamics—instead, secure product-market fit on the hardest side, usually supply (80-90% of cases), by hacking the other side via existing channels like Craigslist postings for Thumbtack pros or job boards. Teams intuitively know the hard side from acquisition struggles; focus growth strategy there first, measuring PMF separately per side via classics like Sean Ellis disappointment surveys. Validate uniform core value before scaling both.

Liquidity as the core metric

Liquidity—efficient matching of supply offers and demand needs, visualized as Venn diagram overlap—drives marketplace wins. Track output via fill rate (intentful searches converting to transactions, e.g., Lyft app opens to rides, Airbnb dated searches to bookings), but act on predictors like ETAs under 2 minutes at Lyft, which correlate with conversions and insulate against noise like weather. Prioritize supply density per market/category to lift it, as it's the main lever.

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What you'll learn

1 `* (02:29) **Marketplace Basics and Pre-PMF Focus**`
2 `* (09:38) **Picking the Hard Side and Early Growth Tactics**`
3 `* (16:34) **Liquidity: Core Marketplace Metric**`
4 `* (21:36) **Marketplace Product-Market Fit Signals**`
5 `* (24:10) **Signals for Viable Marketplace Ideas**`
6 `* (32:49) **Why Marketplaces Fail + Quality Guardrails**`
7 `* (46:26) **Lyft Execution: Mentors and Recruiters Scaled Supply**`

+ Full timestamped outline available in the app

Show Notes

Benjamin Lauzier has been building and scaling marketplaces for almost 15 years. He was the VP of product and growth at Thumbtack, where he rebuilt the product team and Thumbtack’s growth levers, re-architected their revenue model, and helped double the company’s growth within three years. Prior to Thumbtack, Ben was at Lyft for six years, where he led the supply side of the product organization to a point where 1% of U.S. workers were driving for Lyft every month. Currently, he advises marketplace teams and founders, teaches a Reforge course on marketplace growth, and has recently launched a health tech company called Nurra, which connects users with care advocates to navigate the health-care system. In our conversation, we cover:

• What defines a marketplace business

• Strategies for growing supply and demand in the early stages

• How to measure liquidity and other marketplace health metrics

• How to evaluate if a marketplace model is right for your idea

• Lessons from Lyft, Thumbtack, and other successful marketplaces

• The differences between product management in the U.S. and Europe

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