Gregor Kolodziej

Gregor Kolodziej is Head of Blockchain Analytics at Polizei Hessen, based in Frankfurt, Germany. His work centres on anti-money laundering (AML), shadow banking, and darknet investigations, applying blockchain analytics within a law enforcement context. He also operates as a keynote speaker and lecturer (Dozent) on topics including blockchain technology, crypto-forensics, and cybercrime.

Kolodziej maintains an active presence in open-source development under the GitHub username kolo, with 543 total contributions across a range of projects. His repositories include an implementation of the XMLRPC protocol in Go, which has accumulated 165 stars, and Gitbro, a Git repository browser written in Go. Additional contributions span projects including omniauth-ldap, ledger-web, and a command-line UNIX timestamp converter. The concentration of his open-source work in Go suggests practical software development capability alongside his investigative role.