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About
Stephen Ni is building Bluma and previously studied at the University of Waterloo.
CTO at BlumaYC F25
Intro paths
Stephen went through Y Combinator (Fall 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Harj Taggar, General Partner at Y Combinator — the partner who ran Bluma's batch and knows the company first-hand. YC profile ↗
In turn, Stephen can intro founders to Bluma's investors below.
Bluma's investors · 1
Co-founders at Bluma

Frequently asked questions
- Who is Stephen Ni?
- Stephen Ni is building Bluma and previously studied at the University of Waterloo.
- Where does Stephen Ni work?
- Stephen Ni is CTO of Bluma.
- What companies did Stephen Ni found?
- Stephen Ni founded Bluma.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
University of Waterloo mafia428
Also came through, then founded or led a company.
Shopify mafia66
Also came through, then founded or led a company.
Trend Micro mafia11
Also came through, then founded or led a company.
Major League Hacking mafia4
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Bluma'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























