Yuriko Koike is a Japanese politician who has served as the Governor of Tokyo since 2016. She is the first woman to hold this position and is known for her focus on environmental issues, urban development, and disaster preparedness. Before becoming governor, Koike held various political roles, including serving as a member of the House of Representatives and as Japan's Minister of Defense. She is recognized for her leadership during the COVID-19 pandemic and her efforts to promote the 2020 Tokyo Olympics, which were postponed to 2021 due to the pandemic.