Towards a WAS Youth Initiative

Anton Castellanos Usigli

According to the UNFPA, more than 1.5 billion people today are between the ages of 10 and 25. It is the largest generation of young people in history. Over the past decades, scientific research and numerous surveys have continuously demonstrated the many sexual problems faced by young people, which are related to their particular developmental characteristics. Hence, in its Millenium Declaration, the WAS (2008) recognizes their great need for comprehensive sexuality education and sexual health services. But as well as youths are prone to be affected by many sexual issues, they can also become powerful sexual health advocates, as their actions have proved over the last years.



Recorded in June 2011 at the 20th WAS World Congress for Sexual Health
Forging the Future: Sexual Health for the 21st Century, Glasgow, UK.  
The World Association Of Sexual Health at


Anton Castellanos Usigli
Anton Castellanos Usigli
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Anton Castellanos Usigli

Antón Castellanos Usigli, MPH, is a public health professional, consultant, advocate and blogger committed to global sexual health and sexual rights. He started promoting sex education in Cuernavaca, Mexico, where he organized the first sex education Conference at just 19 years of age. In 2011, he founded the Youth Initiative at the World Association for Sexual Health (WAS). Antón is a Member of the Global Advisory Board (GAB) on Sexual Health and Wellbeing, a group of global experts brought together by Durex to advance the links between sexual health, sexual rights and sexual pleasure across policies and programs. 

As a consultant, he has worked for the Northern Manhattan Perinatal Partnership (NMPP), for RNW Media, the International Planned Parenthood Federation (IPPF) and the United Nations Population Fund (UNFPA). In the past, he also worked for the Mexican Federation of Sexuality Education & Sexology in Mexico City and for the Western Pacific Regional Office of the World Health Organization (WHO) in Manila, Philippines. Currently, Antón is the Manager of an HIV/STIs prevention program at Wyckoff Heights Medical Center in Brooklyn, New York, focused on Hispanic men who have sex with men and women.

He has a Masters of Public Health from Columbia University in New York City and he has been a speaker in Congresses across eleven countries. Antón is the co-author of "Fulfil! Guidance Document for the Implementation of Young People’s Sexual Rights (IPPF-WAS, 2016)" and writes the Blog Sexual Observer.

Co-authors: E. Corona Vargas2; 2-Centre for Population and Environmental Development, Benin City, Nigeria
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WAS - World Association fro Sexual HealthSociety of Australian SexologiestsAustralian Centre for Sexual HealthashnAOFSCSEPI - Council of Sex Education and Parenthood (International)SASSM