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About
Serafim Korablev co-founded 21st.dev, a UI components registry, and previously co-founded Rork.com (a web app builder for Next.js), a Telegram-native memecoin launchpad, and Via, a cross-chain crypto routing protocol. He has been working full-time on product design since October 2023.
CEO at 21stYC W26
Intro paths
Serafim went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Ankit Gupta, General Partner at Y Combinator — the partner who ran 21st's batch and knows the company first-hand. YC profile ↗
In turn, Serafim can intro founders to 21st's investors below.
21st's investors · 14
Co-founders at 21st
Frequently asked questions
- Who is Serafim Korablev?
- Serafim Korablev co-founded 21st.dev, a UI components registry, and previously co-founded Rork.com (a web app builder for Next.js), a Telegram-native memecoin launchpad, and Via, a cross-chain crypto routing protocol. He has been working full-time on product design since October 2023.
- Where does Serafim Korablev work?
- Serafim Korablev is CEO of 21st.
- What companies did Serafim Korablev found?
- Serafim Korablev founded 21st.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
About this profile. Compiled from public sources — 21st'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