Philippe Teuwen (@doegox) is Security Researcher at Quarkslab, France. He's one of the libnfc maintainers and gave about 16 workshops on RFID & NFC security and privacy issues at Troopers, Hack.lu, Brucon, RFIDsec,
Hackito Ergo Sum, RMLL, etc. along with talks on other security topics such as Wi-Fi Protected Setup, EMV-CAP for eBanking, eVoting, reverse-engineering, Smartcard fault injection simulation, White-Box cryptanalysis etc.
He's in the editorial team of the International Journal of PoC||GTFO and loves playing CTFs.