The worst part is that it's actually true. I'm presenting some research I've done and doing lunch. I've never met him before.
When I've done similar presentations in the past I've found some common ground things to talk about. Especially if it includes informal time like lunch. I'd rather not just talk work. But it's hard to find anything on that guy. I'm used to seeing people show up in golf tournaments or charity events they care about. They'll show up in interviews. Something. That guy has what's on LinkedIn and that's it.
But it is immediately obvious that CB is the wrong place to ask.