About
Jochen Madler is co-founder and CEO of Sitefire. He studied finance in Germany and completed graduate work in reinforcement learning and optimization at Stanford, followed by a PhD from the Technical University Munich.
Jochen Madler @jochenmadler
5 My favorite: /buddy - a Tamagotchi for your terminal with 18 species, tied to your account ID so you always hatch the same one. It was supposed to launch April 1. The leak spoiled it by one day: https://t.co/BFxr47ReYH
Apr 1, 2026 Β· β₯ 1
Jochen Madler @jochenmadler
/4 On the same day, North Korean hackers pushed compromised versions of axios to npm carrying a cross-platform backdoor. Claude Code uses axios internally - same registry, same library: https://t.co/7TmkX7hzzQ
Apr 1, 2026 Β· β₯ 1
Jochen Madler @jochenmadler
/3 KAIROS is a fully-built autonomous agent sitting behind feature flags that receives heartbeat prompts asking "anything worth doing right now?" and acts independently: https://t.co/2alBSjUVUG
Apr 1, 2026
Founder at SitefireYC W26
Intro paths
Jochen went through Y Combinator (Winter 2026) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Jon Xu, General Partner at Y Combinator β the partner who ran Sitefire's batch and knows the company first-hand. YC profile β
In turn, Jochen can intro founders to Sitefire's investors below.
Sitefire's investors Β· 1
Co-founders at Sitefire
