Fundraising Fox
Leon Iwanowitsch
InvestorFounderCEO at Ontora · Former Founder's Associate at Robin Capital
San Francisco Bay Area
FoundedOntora · YC
Find your path to Leon
Sign up to see every warm intro you have to Leon
- Paths you didn't know you had: your email and LinkedIn already hold routes to Leon. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
About
Leon Iwanowitsch studied at the University of St. Gallen and organized a large early-stage startup conference in Europe. He has experience in fundraising, angel investing, and AI consulting for enterprise clients.
CEO at OntoraYC X26
Intro paths
Leon went through Y Combinator (Spring 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Ontora's batch and knows the company first-hand. YC profile ↗
In turn, Leon can intro founders to Ontora's investors below.
Ontora's investors · 5
Co-founders at Ontora
Investments
Investor
Per curated public sources.
Frequently asked questions
- Who is Leon Iwanowitsch?
- Leon Iwanowitsch studied at the University of St. Gallen and organized a large early-stage startup conference in Europe. He has experience in fundraising, angel investing, and AI consulting for enterprise clients.
- Where does Leon Iwanowitsch work?
- Leon Iwanowitsch is CEO of Ontora.
- What companies did Leon Iwanowitsch found?
- Leon Iwanowitsch founded Ontora.
- What companies has Leon Iwanowitsch invested in?
- Investments tracked here include KugelAudio, Voquill.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
ESSEC Business School mafia76
Also came through, then founded or led a company.
Goethe University Frankfurt mafia26
Also came through, then founded or led a company.
StartGlobal mafia9
Also came through, then founded or led a company.
University of Luxembourg mafia6
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Ontora'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