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Jack Sim Specialist in Water and Health

World Toilet Organization, Singapore


After founding 16 companies and gaining financial independence at 40, Prof Jack Sim retired from business to devote the rest of his life on social development. He founded the World Toilet Organisation in 2001, made its founding day, 19 November, the official UN World Toilet Day, endorsed by all 193 countries at the UN General Assembly, and broke the taboo on sanitation worldwide. He is affectionately known by the world's media as Mr Toilet.

Articles written by Jack Sim


World Toilet Day Interview with Jack Sim

  266        10. October 2023

On this special occasion of World Toilet Day, we are honoured to have Jack Sim, founder of the World Toilet Organisation, join us for an enlightening conversation. After founding 16 companies and gaining financial independence at 40, Prof Jack Sim retired from business to devote the rest of his life to social development. He founded the World Toilet Organization in 2001, made the 19th November the official UN World Toilet Day approved by all 193 countries at the UN General Assembly, and broke the taboo on Sanitation globally. He is fondly known as Mr Toilet by the global media and is a founding member of SuSanA since 2008. In this interview, Mr Sim shares his insights on a range of critical issues, from his pioneering efforts to shift global media attention from water to sanitation, to the profound impact of the lack of toilets and proper sanitation on women. He also sheds light on the urgent need to break the taboo surrounding toilets and sanitation, and the steps needed to ensure that sanitation takes its rightful place on the global agenda.

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