Mr Jack Sim, or globally known as ‘Mr Toilet’, is the founder of the World Toilet Organisation (WTO). By the age of 40, he had set up 16 profitable businesses and chose to retire, switching his focus to pursuing more social work. In this time, he had Founded the Restroom Association of Singapore in 1998. World Toilet Organisation in 2001 and created the UN World Toilet Day (19 November) which is recognized by all 193 UN member states.