Zoltán Petres

2016 to 2019 · Düsseldorf, Germany

trivago

Head of Product, Hotel Search → Global Product Lead, User Profiling

Built trivago’s first production personalization stack from zero in six months.

Studio photograph of a white porcelain hotel key and fob with a vermilion tassel.
  • +10%revenue
  • +8%booking conversion
  • +20%NPS
  • 10%+of revenue from the native app

Restructured hotel search around the user value chain, then founded User Profiling as its own line, from price-sensitivity models to user-level acquisition.

The situation

trivago compared prices well, but treated every traveller the same. Marketing bought traffic by channel, not by person.

What I did

  • Restructured hotel search around the user value chain, with small autonomous teams defining and picking their own projects. Integrated an acquired mobile team fully in-house and hired 8 product owners.
  • Founded User Profiling. Defined the price-sensitivity feature set and the ranking objective, and shipped the first production version in six months from scratch.
  • Changed how marketing acquired users, from channel-based to user-level targeting, and launched long-tail inventory promotion.

What changed

+10% revenue, +8% booking conversion, +20% NPS, and the native app grew to more than 10% of total revenue.

What I took from it

Personalization is an organizational capability before it is a model. The first version had to be small, shippable and owned by a team that could keep improving it.

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