Fundraising Fox
Saurav Mitra
InvestorFounderCTO at Okibi · Founder at SigmaOS
San Francisco, California, United States
FoundedOkibi · YCSigmaOS · YC
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About
Saurav Mitra previously founded SigmaOS, an AI browser with over 100,000 users. He is now building Okibi, a platform for creating AI agents through natural language interfaces.
CTO at OkibiYC S25
Intro paths
Saurav went through Y Combinator (Summer 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Gustaf Alstromer, General Partner at Y Combinator — the partner who ran Okibi's batch and knows the company first-hand. YC profile ↗
In turn, Saurav can intro founders to Okibi's investors below.
Okibi's investors · 10
Co-founders at Okibi
Founder at SigmaOSYC S21
Intro paths
Saurav went through Y Combinator (Summer 2021) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Gustaf Alstromer, General Partner at Y Combinator — the partner who ran SigmaOS's batch and knows the company first-hand. YC profile ↗
In turn, Saurav can intro founders to SigmaOS's investors below.
SigmaOS's investors · 9
Co-founders at SigmaOS
Investments
Investor
Per curated public sources.
Frequently asked questions
- Who is Saurav Mitra?
- Saurav Mitra previously founded SigmaOS, an AI browser with over 100,000 users. He is now building Okibi, a platform for creating AI agents through natural language interfaces.
- Where does Saurav Mitra work?
- Saurav Mitra is CTO of Okibi and Founder at SigmaOS.
- What companies did Saurav Mitra found?
- Saurav Mitra founded Okibi, SigmaOS.
- What companies has Saurav Mitra invested in?
- Investments tracked here include Cranston AI, DAIVIN!, Infera, Lamb Labs, Lightberry, Zephyr Fusion.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Imperial College London mafia463
Also came through, then founded or led a company.
SigmaOS mafia3
Also came through, then founded or led a company.
American School of Dubai mafia2
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Okibi'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