G20's summits have had people.
The 2011 G20 Cannes Summit was the sixth meeting of the G20 heads of government/heads of state in a series of on-going discussions about financial markets and the world economy . G20 . Since the November 2011 Cannes summit , all G20 summits have been held annually . A head of state ( or chief of state ) is the public persona that officially represents the national unity and legitimacy of a sovereign state .