That's weird that it's not being shown, I swear my email is there :) My wife is Persian so I want to be able to speak with her family! It never hurts to branch out and be multi-lingual too; I can speak a bit of Spanish and Polish and I'm always looking to expand my horizons as well.
You have to add your email to the profile field, not just the email field. The email field is private and is used by HN for account management rather than displayed publicly for others to contact you.
Expect an email from me!