The champ is responsible for the briefing, which means understanding the task at hand and formulating what he or she has understood in the briefing.
It’s the champ’s responsibility to break down the big task into reasonable smaller tasks.
The champ is always available for questions.
The champ is responsible to put together a team that will take care of the tasks he or she has created.
The champ delivers the results of cycles to a client.
The champ does not tell anyone what to do or how to do it during a cycle.