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About Me

I work in the Bioinformatics department at the Erasmus Medical Center in Rotterdam (The Netherlands).

I also (casually) participate in infosec CTF events (see my writeups here). For a list of upcoming events see CTFtime, and feel free to contact me if you’d like to team up for an event :)


  • BSc Computer Science from Leiden University
  • MSc Computer Science (bioinformatics track) from Leiden University & TU Delft


GPG 87D2 B4E8 7ECF 49EB F4A6 BB28 EE95 D46F 0BFB 5253
ORCID ID 0000-0003-3803-468X
LinkedIn profile
Twitter @shiltemann
IRC @shiltemann on freenode (@ysje for CTFs)