For over 30 years, he has worked with UN system agencies, national governments and community organisations in Africa, Europe, the Americas, Asia and the Pacific to strengthen policy and practice with respect to sexuality, gender, HIV and sexual health. Peter is well known for his work on HIV, gender and sexuality, and sexual and reproductive health and rights. His interests include equality, inclusion and justice and focus on the ways in which these issues are engaged with in national and international development, education and health.