Cliff Allum is an Associate Fellow at the Third Sector Research Centre, University of Birmingham, UK. After more than 20 years of CEO-level experience in international volunteering and international development, he has focused on research and consultancy work with a range of IVCOs. He has written widely on volunteering for development issues, including the future of international volunteering. His current areas of interest include IVCO repositioning, climate change and a longitudinal study of international volunteers.