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David Hahn

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Senior Product Manager, Ripple Care - unit economics · two-sided networks · matching

Works at
Ripple Care
Location
Berlin, Germany · CET (UTC+1)
Experience
9+ years experience
Education
Humboldt University of Berlin
Languages
English, German

Overview

I've spent 9 years on marketplaces - first at Telefónica, now at Ripple Care. Took marketplace activation from 34% to 57% in three quarters. Before that: BlaBlaCar and Telefónica. Yoga every morning.

Good reasons to reach out
  • People who want to build this with me
  • Second opinions on unit economics decisions
  • Working sessions on mobile
Please don't message about
  • Crypto token projects
  • Feature requests for my employer's product

Replies on weekends

Skills
matchingtrust & safetyunit economicsmobiletwo-sided networks
Co-founderLooking for a co-founder
closes in 3 months

Need an operations co-founder: returns management in Europe

The idea
Need an operations co-founder: returns management in Europe
Stage
Early revenue
I bring
15 years in marketplaces
Looking for
Technical co-founder who has shipped B2B software
Commitment
Full-time after funding
Location
Berlin or remote

I bring 9 years of marketplaces (currently Ripple Care). Ideally you've shipped B2B software. Have a working prototype and design partners.

Berlin, Germanymatchingtwo-sided networkstrust & safety

Experience

  1. Senior Product Manager
    Aug 2022 - Present
    Ripple Care · 4 yr 3 mo · Full-time · Berlin, Germany
    • Cut time-to-first-value for new marketplace customers from 20 days to 4.
    • Grew marketplace revenue from $1 million to $33 million ARR.
    • Ran 153 customer interviews before writing the first spec.
  2. Product Manager
    Feb 2019 - Aug 2022
    BlaBlaCar · 3 yr 6 mo · Full-time · Berlin, Germany
    • Cut time-to-first-value for new marketplace customers from 17 days to 4.
    • Grew marketplace revenue from $7 million to $29 million ARR.
  3. Associate Product Manager
    Oct 2017 - Feb 2019
    Telefónica · 1 yr 4 mo · Full-time · Berlin, Germany
    • Killed 4 features nobody used and shipped the 3 that customers asked for.

Projects

Write-up: marketplaces in practice
2025

A long-form guide to marketplaces for people starting out.

References

No references yet.

Education

  1. Humboldt University of Berlin
    BA, Design
    2014 - 2017

Details

Compensation expectations
What they are targeting for their next role.
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Direct contact details
Direct email and a scheduling link.
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