Sanae Takaichi became the first woman to hold the post of Prime Minister in Japanese history.
Her Cabinet includes several rivals from the presidential campaign, a move to smooth over differences and a smart political strategy.
Her rise to the country's top job followed her victory in the Liberal Democratic Party leadership race and then considerable maneuvering among other parties to secure a coalition with the Japan Innovation Party (JIP).
Despite these accomplishments, Takaichi faces significant challenges ahead, with no time to rest on her laurels.
Author's summary: Sanae Takaichi makes history as Japan's first female Prime Minister.