This site shows a great way to communicate in a diverse workplace in seven steps. It discuses training international employees in depth early and often. Assigning mentors is also very important and how not assigning the right mentors can be critical.
How to Communicate Well With People from Other Cultures. To build good relationships with people from other cultures, it is essential to learn how to communicate with them verbally and non-verbally. You can make things easier by also.