Lars Fröder (@opa334dev), a security researcher with Cellebrite Labs who is perhaps best known for his work on the Dopamine jailbreak and the TrollStore perma-signing utility for the iPhone and iPad, has regularly given speeches and attending security research conventions throughout the year, including GeekCon and Zer0con.
Dopamine & TrollStore developer Lars Fröder to present about iOS hacking at SAS24