I just wish more details were available from Dave in order to fully trust the service.
How would a linkedin profile help you trust him any more?
He has a flawless record of honest stretching back many years. I wouldn't trust him any more than I do if he started to dox himself. Think about it. If he makes it possible for you to find him he also makes it possible for criminals to find him, needlesslyputting himself and your coins at more risk than is necessary.