Kopano Ratele works in the Psychology Department at the University of West­ern Cape, South Africa, where he also teaches a course on culture, psychology and masculinity in the Women and Gender Studies Programme. He has written on masculinities, sexualities, interpersonal relationships and bodies.

Margrethe Silberschmidt is a social anthropologist who has carried out re­search in East Africa over the past twenty years. Her field of specialization in­cludes sexual and reproductive health and behaviour with particular emphasis on HIV/AIDS, gender, gender focused methodologies and policy issues. She is an associate professor at the Department of Women and Gender Research in Med­icine, Institute of Public Health, University of Copenhagen.