Database of clients

I am looking for clients with a high net worth - affluent. From UK, Scandinavia, Germany, Italy, Russia, Greece, Bukgaria, Romania and Israel.

I would like to understand where the data is going to come from.

I would like 100 as a first batch but will require ongoing if it quality Data

I need name and valid email address
And the reason why they are a high net worth individual e.g Company Director, Large share holder etc.