# Zoltán Petres, PhD > Zoltán Petres, PhD: product executive with 15+ years scaling marketplaces and AI-native platforms (Bolt Delivery, OLX, trivago, CEEZER). Available for CPO roles, interim and fractional mandates, advisory, coaching and talks. Markdown versions of every page are linked below; /llms-full.txt contains everything in one file. ## Pages - [Home](https://zoltan.peaktopeak.hu/index.md): positioning, outcomes, career overview, principles - [Services](https://zoltan.peaktopeak.hu/services.md): permanent CPO, interim, fractional, advisory, coaching, talks - [About](https://zoltan.peaktopeak.hu/about.md): biography and education - [Contact](https://zoltan.peaktopeak.hu/contact.md): email, LinkedIn, booking ## Case studies - [CEEZER, SVP of Product (2026)](https://zoltan.peaktopeak.hu/work/ceezer.md): Repositioned a climate-procurement platform as an AI-native, tech-enabled services business. - [Bolt, Vertical CPO, Bolt Delivery (2022 to 2025)](https://zoltan.peaktopeak.hu/work/bolt.md): Took a three-sided food and grocery marketplace to full profitability at €1.5B+ GMV. - [OLX, Director of Product, Core Classified Experience (EU) (2019 to 2022)](https://zoltan.peaktopeak.hu/work/olx.md): Called the classifieds decline early and moved the platform to transactions. - [trivago, Head of Product, Hotel Search → Global Product Lead, User Profiling (2016 to 2019)](https://zoltan.peaktopeak.hu/work/trivago.md): Built trivago’s first production personalization stack from zero in six months. - [liligo.com, Head of Metasearch Product (2014 to 2016)](https://zoltan.peaktopeak.hu/work/liligo.md): Turned around a metasearch product to 80 to 120% year-over-year growth. - [Gravity R&D, VP Product & Strategic Business Development (2009 to 2014)](https://zoltan.peaktopeak.hu/work/gravity.md): Took a research spin-off into the global top three in recommendation engines. - [Research & Ventures, Researcher, Project Lead, Investment Analyst (2004 to 2009)](https://zoltan.peaktopeak.hu/work/foundations.md): Where it started: AI, robotics and building the investment case for a start-up. ## Optional - [Full content](https://zoltan.peaktopeak.hu/llms-full.txt)