A. find each individual with subscriber preview and test send to each individual recipient

B. create a list composed of the management team prepare test to the subject and use the send flow to send email to the list.

C. create a test data extension composed of the management team and test send to the test data extension

D. create a data extension composed of the management team create a user initiated send definition, select the email prepare test to the subject, select the data extension and send the email.