John Anarfi is currently Deputy Director of ISSER and a demographer with specialist experience on the migration of women; sexuality and HIV/AIDS; adolescent reproductive health; and street children. He has previously done work on female migration and prostitution for GTZ (German Development Cooperation); female itinerant traders and the risk of HIV infection for SIDA (Swedish Development Cooperation), and the causes of international migration for the European Commission. He has published widely, including 23 articles in refereed journals.