Isabella Sun
InvestorFounderVenture Partner at Pioneer · Founder at Short Story
San Francisco, California
Writes $10K – $50K checks · typically $25K
FoundedShort Story · YC
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Ask Garry Tan to introduce you to Isabella
You →Garry · together at YC S19 (2019) →Isabella
Ask Jamie Chen to introduce you to Isabella
You →Jamie · 11 people · together at YC S19 →Isabella
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Founder at Short StoryYC S19
Intro paths
Isabella went through Y Combinator (Summer 2019) — any YC alum in your network can reach them through the YC community.
In turn, Isabella can intro founders to Short Story's investors below.
Short Story's investors · 8
Co-founders at Short Story

Colleagues at Pioneer
Frequently asked questions
- Who is Isabella Sun?
- Venture Partner at Pioneer
- Where does Isabella Sun work?
- Isabella Sun is Founder of Short Story and Venture Partner at Pioneer.
- What check size does Isabella Sun write?
- Isabella Sun typically writes checks of $10K – $50K.
- What companies did Isabella Sun found?
- Isabella Sun founded Short Story.
Founder mafias
Y Combinator mafia10,619
Also came through, then founded or led a company.
Pioneer mafia78
Also came through, then founded or led a company.






