Hong Kong environmental policy speaker; former Under Secretary for the Environment and HKUST professor; keynoted NTU Singapore's 2026 Mapletree Sustainability Lecture.
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Jack Sim
Social Activism
Singapore-based social entrepreneur; founder of the World Toilet Organization ("Mr. Toilet"); speaks on social impact.
- Website
- worldtoilet.org
- Capabilities
- Social Activism Speaking
- Listing status
- Unclaimed · Editor-verified · Last verified 2026-10-03
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the audience simply loved him for his humour and great insights.
Source: www.speakersconnect.com
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Past speaking engagements
- Rotary International Convention 2024 (Singapore) — 2024-05 (convention dates) (keynote) · Breaking the silence on the sanitation crisis (Rotary Club of Invercargill)
- CoreNet Global APAC Conference (speaker (role unspecified)) · Jack Sim, Founder of World Toilet Organization, Inspired audiences at CoreNet Global APAC Conference (Speakers Connect)
Documented appearances with sources, not a complete speaking history.
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