Who was the leader of the battle of Chattanooga?

The leader of the Union forces during the Battle of Chattanooga was Major General Ulysses S. Grant. He played a crucial role in coordinating the Union's strategies and troops, which ultimately led to a decisive victory over the Confederate forces led by General Braxton Bragg in November 1863. Grant's success at Chattanooga significantly boosted Union morale and opened the way for the advance into the Deep South.