Caleb Peffer
FounderCo-founder and CEO at Firecrawl
San Francisco, California, United States
FoundedFirecrawl Β· YC
About
Co-founder and CEO of Firecrawl, which provides an API for scraping and converting web content into structured data for AI applications.
Caleb Peffer (Hiring!) @calebpeffer
We did not expect this post to do this well https://t.co/RgDDkL3gLB
Aug 1, 2026 Β· β₯ 217 Β· β 5
Caleb Peffer (Hiring!) @calebpeffer
Context is everything? https://t.co/2TZZ2bIIYA
Jul 30, 2026 Β· β₯ 8
Caleb Peffer (Hiring!) @calebpeffer
There is something deeply ironic, and perhaps comforting about the Chinese becoming the champions of truly democratic AI. Jie Tang π«‘ https://t.co/zz5KRoupkQ
Jul 13, 2026 Β· β₯ 8
Co-founder and CEO at FirecrawlYC S22
Intro paths
Caleb went through Y Combinator (Summer 2022) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator β the partner who ran Firecrawl's batch and knows the company first-hand. YC profile β
In turn, Caleb can intro founders to Firecrawl's investors below.
Firecrawl's investors Β· 1
Co-founders at Firecrawl
Experience
- FirecrawlCo-founder and CEOcurrent2024 β presentSan Francisco
- MendableCo-Founder and CEOcurrent2022 β presentBoston, Massachusetts, United States
- FlutterBricksCo-Founder2021 β 2022
- HallHubCo-Founder2020 β 2021
Education
- Y Combinator2022
- University of New HampshireComputer Science
Skills & more
+1 more
WritingFrom Caleb's professional profile.
Founder mafias
Y Combinator mafia8,668
Also came through, then founded or led a company.
+ 8,661 more
University of New Hampshire mafia7
Also came through, then founded or led a company.
Same school
Also attended Y Combinator2,000
+ 1,994 more
Also attended University of New Hampshire32
+ 26 more