What happens to the needs of international visiting faculty members at their institutions? Why is this a challenge for faculty developers?

555(2): The globalization of higher education creates the need for faculty to become more knowledgeable about curricular internationalization. Faculty at higher education institutions must recognize that they have international students enrolled and that upon graduation many of their students will need to be prepared to compete globally.

What about the needs of international visiting faculty members at their institutions? Why is this a challenge for faculty developers?