Exactly. I mentioned on another submission, that got killed, that it would be a great tribute to the man if one of his friends/associates that new his work well could fill in and give his presentation at the conference. With so little time, I now think that might be unreasonable. Maybe use the time slot to hand out the slides, raise a toast and share some stories. The subject of his talk is incredibly important and should be distributed.
After minor digging, here is his blog about medical device hacking vs. the hollywood version:
http://blog.ioactive.com/2013/02/broken-hearts-how-plausible...
Interesting tidbit from the blog-The CEO's father has a pacemaker.