Send a short "Welcome to the team" message to let new employees know how excited you are to have them. Here's how to make the best first impression.Craft a topnotch new employee welcome email with tips and examples to cover essential information for a smooth onboarding experience. A "thank you for joining" membership letter should include a personalized greeting to the new member. Use the member's first name in your salutation. Do you have a new team member starting soon? Learn how to write a welcome aboard letter or email and review sample letters for inspiration. Here are 10 things your welcome letter or email to new members must include plus a template that can be customized for your organization. 20 Welcome Message Examples. "We are delighted that you have decided to join us.