20VC: ElevenLabs Head of Growth on Why You Do Not Need PMs | The 7-Part Launch Playbook That Gets 700K+ Views Per Product | The Truth About CAC, Payback & Performance Marketing in AI with Luke Harries

How ElevenLabs grows without product managers

ElevenLabs has replaced product managers with engineers who own products and growth leads embedded in every product team. Luke Harries argues the model works because strong retention makes AI revenue durable, which justifies patient CAC payback and loud, repeatable launches that compound over time.

Takeaways

• ElevenLabs runs product without any PMs. Engineers own products and growth teams merge product and marketing. Most growth staff are former PMs, and engineers are screened with a product challenge. Luke Harries predicts PMs will move into growth or product engineering. About 60 to 70% of core engineering code is AI written.
• Each product team gets its own growth lead. ElevenLabs sells horizontal audio models through an API alongside a reader app and a creator platform. Product teams carry dedicated growth leads, backed by channel specialists such as a performance marketing head from Shopify and an SEO expert from Canva. Luke calls this unusual but working.
• Judge growth spend by channel and horizon. Performance channels work when CAC sits below predicted LTV. Enterprise and organic need longer horizons, with marketing-sourced SQLs as the north star and CAC payback of 12 to 24 months, sometimes 36. Blended CAC can stay flat as virality improves.
• SEO still pays, especially through tool pages. Luke cites Zapier, where the blog accounts for over 70% of SEO traffic, and expects tool pages to last at least five years. He advises exposing small free slices of value through mini tools rather than giving away the whole product.
• Strong retention makes AI revenue real. Luke argues investors should invest more now because models unlock new products. Consumer and prosumer retention should be judged differently from enterprise, since virality adds revenue. Harry cites Lovable's 86% retention and says he bought in at roughly 10x revenue.
• Patience beats pivoting too early. Luke stepped back from Fella, his GLP-1 weight-loss clinic, when revenue flattened in the low hundreds of thousands. His co-founder Richie kept going and the company now does over $30m a year. Luke's lesson is to commit for the long term.

The ElevenLabs launch playbook

• Use motion design videos rather than founder-led videos, which Luke finds egoful, and land the key message within thirty seconds.
• Hire motion designers per project at about $5,000 to $10,000, enough to test the approach.
• Sort launches into tiers. ElevenLabs runs three levels of launch effort.
• Cross-post every launch on every channel and be loud about it.
• DM contacts shamelessly to boost reach. Harry personally messaged his first 50,000 Twitter followers.