No one in my immediate family, and no one in my work place, either. All my brothers will carry one, as they see the usefulness, but I don't think any of them own more than 1, and most of those are ones I bought them. I get all my knife socialization here on Bladeforums. I do sometimes get to talk knives with a guy who works at a local Cigar shop that is into knives a bit. He doesn't actively seek out info, though, and has a thing for Mantis knives.
I am a bit excited to have a co-worker returning to my building. He and I used to talk knives quite a bit, and even traded back and forth. His team moved to a different location, but after 4 years, they are moving back, and I'll be happy to see him again.