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About
Jeffrey Yum studied electrical engineering and computer science at UC Berkeley. He previously worked at Lawrence Livermore National Laboratory on data archival systems, and is now co-founder and COO of Pollen, where he develops AI agents for customer success automation.
COO at PollenYC W26
Intro paths
Jeffrey went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Jon Xu, General Partner at Y Combinator — the partner who ran Pollen's batch and knows the company first-hand. YC profile ↗
In turn, Jeffrey can intro founders to Pollen's investors below.
Pollen's investors · 14
Co-founders at Pollen
Frequently asked questions
- Who is Jeffrey Yum?
- Jeffrey Yum studied electrical engineering and computer science at UC Berkeley. He previously worked at Lawrence Livermore National Laboratory on data archival systems, and is now co-founder and COO of Pollen, where he develops AI agents for customer success automation.
- Where does Jeffrey Yum work?
- Jeffrey Yum is COO of Pollen.
- What companies did Jeffrey Yum found?
- Jeffrey Yum founded Pollen.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
University of California, Berkeley mafia1,343
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Pollen's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights