Formal introduction letter for a new team member communicates the appointment of the new team member to the customer. This letter is sent by a company to the existing client to inform him that from this particular moment onwards new employee will be his/her point of contact in the company. Formal introduction letter for a new team member sample Dear Sir, Madam, I am pleased to inform you of a new addition to our customer support team here at Global Company Inc. Ms Jane Ostin has been appointed premier customer advocate. What does that mean for you? You will still have access to me as your sales representative, and we shall continue to provide all of our other services to you