Time to welcome a new employee to the team? Check out our template for writing a new employee welcome letter from the CEO.Craft a topnotch new employee welcome email with tips and examples to cover essential information for a smooth onboarding experience. In addition to the guide, the templates First Meeting Guide (PDF) and Welcome Letter Template (DOCX) are provided to assist with important communication. What Are the Best Practices for Writing a Welcome Letter? What to include in a new employee welcome letter? Forms. Below are forms that you'll need to complete and additional steps that you'll need to review prior to starting in your new position. New Hire Paperwork for Illinois includes filing of federal and state forms. They are W-4, IL-W-4, I-9 and WOTC. Welcome, to the University of Illinois System!