Skip to content
Sample profile. This is an example profile that shows how Introworth works, not a real person. You can send a message to try the flow, but nobody reads or replies to it and you are never charged.

Johannes Fischer

Sample profile

Group Product Manager at Wolt · evaluation, LLM products

Works at
Wolt
Location
Berlin, Germany · CET (UTC+1)
Experience
10+ years experience
Education
Sorbonne University
Languages
English, German
Advising
Message Connect

Overview

I've spent 14 years on AI features - first at Zalando, now at Wolt. Grew AI products revenue from $5 million to $43 million ARR. Cut time-to-first-value for new AI products customers from 10 days to 2. Most at home with user research and evaluation. I tinker with 3D printers.

Good reasons to reach out
  • Advice on AI features
  • Second opinions on user research decisions
  • Thoughtful intros to people in my field
Please don't message about
  • Unpaid work or spec projects
  • Sales demos
  • Offshore staffing offers

Answers in batches on Fridays

Skills
LLM productsprompt designevaluationuser researchML
AdvisingOpen to advising
closes in 3 months

Office hours for PMs moving into fintech: AI features and prompt design

Topics
AI features, evaluation, LLM products
Format
Async reviews
Terms
Equity
Capacity
One call a month
Best for
Teams scaling past 50 people

14 years of AI features. One call a month or async reviews.

Berlin, Germany · remote OKevaluationuser researchprompt design
Open

Experience

  1. Group Product Manager
    Sep 2022 - Present
    Wolt · 4 yr 2 mo · Full-time · Berlin, Germany
    • Took AI products activation from 21% to 45% in three quarters.
    • Ran 105 customer interviews before writing the first spec.
  2. Associate Product Manager
    Jun 2021 - Sep 2022
    Wise · 1 yr 3 mo · Full-time · Berlin, Germany
    • Grew AI products revenue from $8 million to $22 million ARR.
  3. Senior Product Manager
    Mar 2020 - Jun 2021
    Booking.com · 1 yr 3 mo · Full-time · Berlin, Germany
    • Grew AI products revenue from $7 million to $17 million ARR.
    • Killed 8 features nobody used and shipped the 3 that customers asked for.
  4. Senior Product Manager
    Jan 2019 - Mar 2020
    Mollie · 1 yr 2 mo · Full-time · Berlin, Germany
    • Took AI products activation from 23% to 39% in three quarters.
    • Launched the AI products product in 3 markets.
  5. Product Manager
    Feb 2017 - Jan 2019
    Zalando · 1 yr 11 mo · Full-time · Berlin, Germany
    • Cut time-to-first-value for new AI products customers from 15 days to 4.

Projects

Side project: a budgeting app
2026

Built with LLM products and ML. 1213 people used it last year.

Open-source evaluation toolkit
2026

A small library for AI features that 383 developers star on GitHub.

References

No references yet.

Education

  1. Sorbonne University
    Licence, Design
    2009 - 2012

Details

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

Trusted Partners

SponsoredExplore all sites on OneLifeVibe (opens onelifevibe.com in a new tab)