Rick Rieder oversees roughly $2.3 trillion in fixed income at BlackRock. His obsession with risk has made him a market legend—and a surprise Fed chair contender.

Rick Rieder oversees roughly $2.3 trillion in fixed income at BlackRock. His obsession with risk has made him a market legend—and a surprise Fed chair contender.

A five-month process of finding the next Fed chair appears to be down to its final days, with one candidate emerging as the betting favorite.