Who is Chief in Lord of the Flies?

In the beginning of the book, the leader of the boys is Ralph. This is decided by a vote made by all the boys. Ralph was a good leader but he had issues with how to tell people what to do. But the boys begin to up rise and defy Ralph. They start leaning toward Jack as a leader. Jack lets everyone do what they want when they want but this turns everyone against Ralph. In the end, the boys all join Jack's side and try to kill Ralph.