Volodymyr Zelenskyy

He assumed the office of president after being sworn in on May 20, 2019.

An excerpt from the article 30 facts about Volodymyr Zelenskyy

On the same day, he announced the dissolution of parliament, and in early elections the associated "Servant of the Nation" party won an absolute majority.  This allowed the formation of a presidential-supporting government, with Oleksiy Honchruk as prime minister, later replaced by Denys Shmyhal.