Who is Austria hungarys leader?

The Austro-Hungarian Empire, which was dissolved following World War I, was led by Emperor Franz Josef I.
By the time the war started, Franz Josel was in his eighties, so his military forces were led by General von Hotzendorf until by General von Hötzendorf. When Emperor Franz Josef died in 1916 and Emperor Karl I succeeded to the throne, he took over as leader of the army and navy.