This document provides an introduction to the 4th Global Meeting of Associations of Universities on internationalization of higher education. It discusses that internationalization is a dynamic process involving many actors. The meeting will address key findings from a survey on internationalization including the importance of student mobility but low actual mobility levels. It will also discuss new approaches like branch campuses and examine the role associations can play in advancing the internationalization agenda and identifying trends. The goal is for participants to work together on common challenges and solutions regarding internationalization.