Answer (1 of 3): Coming at this question from the perspective of someone who did a number of years in customer service and banking and is now studying for a PhD, I’d say “yes”. If you’ve done the hard yards to get a PhD, you’re a doctor. You’re free to use that title if you want to, and most org...

https://www.quora.com/Is-it-appropriate-to-use-an-academic-doctorate-as-a-title-outside-of-an-academic-institution