Mark Chay
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| Full name | Mark Chay Jung Jun | |||||||||||||||||||||||||||||||||||
| National team | Singapore | |||||||||||||||||||||||||||||||||||
| Born | 18 February 1982 Singapore | |||||||||||||||||||||||||||||||||||
| Sport | ||||||||||||||||||||||||||||||||||||
| Sport | Swimming | |||||||||||||||||||||||||||||||||||
Medal record
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Mark Chay Jung Jun (simplified Chinese: 蔡荣俊; born 18 February 1982) is a Singaporean former Nominated Member of Parliament and freestyle swimmer who has represented the country at the Summer Olympics. He is the secretary-general Singapore National Olympic Council and the chief development officer of the Global Esports Federation.