Yahya Sinwar is a senior political and military leader of Hamas, a Palestinian militant and political organization. He became the leader of Hamas in the Gaza Strip in 2017, succeeding Ismail Haniyeh. Hamas is designated as a terrorist organization by several countries and international organizations due to its involvement in armed conflict and acts of violence against civilians.
Hamas is considered a terrorist organization by a number of countries and international entities, including the United States, the European Union, and Israel.