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All Dots Connected · Ep. 12

Heidi Zak on rebuilding ThirdLove: from growth at all costs to disciplined profitability

Heidi Zak, Co-Founder and CEO, ThirdLove

May 7, 2025 · DTC & Ecommerce

In this episode

Heidi Zak, Co-Founder and CEO of ThirdLove, explains how she kept the direct-to-consumer brand alive and profitable when fundraising dried up overnight. She covers the shift from growth at all costs to a profitability-driven model, finding and losing product-market fit, moving to omnichannel, and why she still reads customer reviews every morning.

Key takeaways

01

When funding disappears, profitability becomes the plan

Zak describes fundraising drying up overnight and ThirdLove pivoting from aggressive growth at all costs to a disciplined, profitability-driven approach. That shift is how she kept the business alive and profitable through turbulent economic swings.

02

Product-market fit can be lost, not just found

Zak shares lessons on both finding and losing product-market fit, a reminder that fit is not permanent. She also covers ThirdLove's transition to an omnichannel strategy.

03

Customer obsession is a daily habit, not a slogan

Zak calls relentless customer obsession the secret to lasting success. A decade in, she still personally reads customer reviews every morning. She pairs that habit with data to find growth while avoiding decision paralysis.

What operators can apply

  • Build a profitability-first operating plan you can switch to if outside funding dries up.
  • Read customer reviews yourself every day, whatever your title.
  • Recheck product-market fit regularly instead of treating it as settled.

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