Who was the German leader that took over the Kaiser?

The German leader who took over after the Kaiser was Friedrich Ebert. Following the abdication of Kaiser Wilhelm II in November 1918, Ebert, the leader of the Social Democratic Party, became the Chancellor of Germany and later the first President of the Weimar Republic. He played a crucial role in the transition from imperial rule to a democratic government amid the turmoil of World War I and the German Revolution.