Marco Grassi is currently a Senior Security Researcher of the KEEN Lab of Tencent (previously known as KEEN Team). He was one of the main contributors at Pwn2Own 2016 for the Safari target with sandbox escape to root. He is a member of the team who won the title of "Master Of Pwn" at Pwn2Own 2016. Formerly he was a member of NowSecure R&D Team, where he researched solutions for mobile security products and performed reverse engineering, pentesting and vulnerability research in mobile OS applications and devices. When he's not poking around mobile devices, he enjoys developing embedded and electronic systems. He has spoken at several international security conferences such as ZeroNights, Black Hat, Codegate, HITB and cansecwest. You can find him on Twitter at @marcograss.