S&P's former chief credit officer, Mark Adelson, has left the firm 8 months after being...

|By:, SA News Editor

S&P's former chief credit officer, Mark Adelson, has left the firm 8 months after being demoted. Who? Adelson rattled cages in 2009 as he was key to revising the way S&P rated CMBS, resulting in heavy downgrades which weren't matched by the agency's competitors. Needless to say, S&P since has lost quite a bit of business to those competitors.