| Member of Parliament | | | |
| Minister for Education | | - | |
| Minister-in-charge of Social Services Integration, MINISTRY OF SOCIAL AND FAMILY DEVELOPMENT | - | - | |
| Member of the Parliament of Singapore | | | |
| Member of the Parliament of Singapore | | | |
| Minister, Prime Minister's Office | | | |
| Member of the Parliament of Singapore | | | |
| Chairman of the Board, SINGAPORE LABOUR FOUNDATION | - | - | |
| Minister for Education | - | - | |
| Member of Parliament | | - | |
| Minister for National Development | | | |
| Member of the Parliament of Singapore | - | - | |
