Analysts say his boxing credentials along with fighting poverty and corruption are likely to be the key themes of his campaign.
The first in-person global summit since the Covid-19 pandemic hit is going to be held this month.
Microsoft co-founder Bill Gates and his wife, Melinda, announced Monday that they are parting ways after nearly three decades of marriage.
He faces up to 75 years in prison when he returns for sentencing in eight weeks.
Manchester City were the first club to formally pull out after Chelsea had signalled their intent to do so by preparing documentation to withdraw.
The decisions can be appealed to the Court of Arbitration for Sport in Lausanne, Switzerland.