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Hyejin Ahn

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Senior Product Manager, Telstra - two-sided networks · trust & safety · matching

Works at
Telstra
Location
Seoul, South Korea · KST (UTC+9)
Experience
6+ years experience
Education
INSEAD Singapore
Languages
English, Korean
AdvisingOpen to work
Message Connect

Overview

Based in Seoul. I work on marketplaces at Telstra. Grew marketplace revenue from $8 million to $45 million ARR. Most at home with unit economics and trust & safety. Learning woodworking.

Good reasons to reach out
  • Advice on marketplaces
  • Roles in marketplaces
  • Thoughtful intros to people in my field
  • Working sessions on unit economics
Please don't message about
  • Generic networking requests
  • Unpaid work or spec projects
  • SEO and link-building offers

Fastest replies in the morning

Skills
unit economicsmatchingtrust & safetytwo-sided networks
AdvisingOpen to advising
closes in 3 months

Open to advising Series A teams on two-sided networks

Topics
marketplaces, trust & safety, two-sided networks
Format
Async reviews
Terms
Equity
Capacity
One advisory role at a time
Best for
First-time founders

6 years of marketplaces. Small equity or paid hours - flexible.

Seoul, South Koreatrust & safetymatchingtwo-sided networks
Open
Open to workLooking for a role
closes in 3 months

Staff Product Manager roles in creator tools - Seoul or remote

Target roles
Staff Product Manager
Level
Staff / Principal
Industries
Climate tech, Logistics
Work mode
On-site
Available
From next quarter
Work authorization
Authorized to work in South Korea
What I'm looking for
Early-stage company (Series A) where marketplaces is core to the product.
Not interested in
Pure people management

6 years in marketplaces. Strongest at trust & safety and matching. Serving notice now.

Seoul, South Koreatwo-sided networkstrust & safetymatching
Open

Experience

  1. Senior Product Manager
    Jan 2026 - Present
    Telstra · 10 mo · Full-time · Seoul, South Korea
    • Cut time-to-first-value for new marketplace customers from 19 days to 4.
    • Killed 4 features nobody used and shipped the 2 that customers asked for.
    • Launched the marketplace product in 4 markets.
  2. Associate Product Manager
    Feb 2024 - Jan 2026
    Foxconn · 1 yr 11 mo · Full-time · Seoul, South Korea
    • Cut time-to-first-value for new marketplace customers from 18 days to 1.
  3. Associate Product Manager
    Oct 2020 - Feb 2024
    Grab · 3 yr 4 mo · Full-time · Seoul, South Korea
    • Grew marketplace revenue from $8 million to $26 million ARR.
    • Ran 132 customer interviews before writing the first spec.

Projects

Side project: a habit tracker
2025

Built with matching and two-sided networks. 1492 people used it last year.

Open-source trust & safety toolkit
2025

A small library for marketplaces that 131 developers star on GitHub.

References

No references yet.

Education

  1. INSEAD Singapore
    MBA, Business Administration
    2021 - 2023
  2. Peking University
    BSc, Engineering
    2016 - 2020

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

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