How does the Singapore president contribute to Singapore?

The President of Singapore generally holds limited power.

He is in charge of maintaining foreign relations with other countries. Other than that, the President also acts as a safeguard because he has the ability to veto the use of government reserves in Singapore.

In addition, he control appointments to key civil service appointments, and he can examine the enforcement of the Internal Security Act and Maintenance of Religious Harmony Act. Plus, he can authorize corruption investigations on any member of the parliament.