Who is Jon Ossoff, the Senator being projected as next US President?

Democratic Senator Jon Ossoff, who won re-election in Georgia by defeating Republican challenger Mike Collins, is emerging as a potential Democratic contender for the 2028 US presidential election. However, Ossoff has said he has "zero interest" in the job. Georgia's other Senator, Raphael Warnock, has also been mentioned as a possible Democratic presidential contender in 2028.