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About
Ivan Chub is the founder of Idler and previously cofounded Dark Forest, 0xPARC, and Zupass. He has also held roles at Facebook, Dynasty, and AppSheet.
CEO at idlerYC S25
Intro paths
Ivan 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 Harj Taggar, General Partner at Y Combinator — the partner who ran idler's batch and knows the company first-hand. YC profile ↗
In turn, Ivan can intro founders to idler's investors below.
idler's investors · 1
Co-founders at idler
Frequently asked questions
- Who is Ivan Chub?
- Ivan Chub is the founder of Idler and previously cofounded Dark Forest, 0xPARC, and Zupass. He has also held roles at Facebook, Dynasty, and AppSheet.
- Where does Ivan Chub work?
- Ivan Chub is CEO of idler.
- What companies did Ivan Chub found?
- Ivan Chub founded idler.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
About this profile. Compiled from public sources — idler'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