I'm guessing you don't actually have an interview scheduled, but would like one.
Unless you're already a significant player, and your question suggests you are not, then they'll not have heard of you and will not be interested.
Plus hedgies are typically looking for quants, not traders as they can poach the latter from the IBs, or at least, they could in the good old days before they started bleeding capital. If you've got a stunning PhD in maths or related area then you might be able to get them to give you a shot at n interview.
I'm sure he doesn't have any idea, but then unless you've worked in that sector, neither do you. The problem with opining without any substantial or experiential basis for doing so, however positively intended, is that you could be negatively impacting someones life path based purely on your own, potentially ill-formed, preconceptions.
I'm just saying it's probably better to stick to areas on which you are an expert before considering counseling others.
If he wanted to anything about FX correlators, you'd be the guy for him to ask.