His email is listed in his account profile. If you're interested in hiring him, I'm sure he'd be more than glad to tell you where he's located. However, you have to understand that for privacy reasons, some people may not want to include private information such as location on a sensitive post like this.
I know, that's a perennial problem with Ask HN submissions. Of course privacy is an issue, but often it's hard to suggest answers about a situation that could be anywhere (especially with legal-type questions).