How does the president fullfill the role of head state?

he preforms cerimonial roles

Explanation:

The U. S. president is both head of state and chief executive ... As head of state, the president represents the nation and performs many ceremonial roles. As chief executive, the president directs the activities of the thousands of executive branch employees who carry out the laws.

As head of state, the president represents the nation and performs many ceremonial roles.