David Carlson has left Credit Suisse First Boston (CSFB) to join Bear Stearns in the new position as head of global credit derivatives marketing in New York.

At CSFB, Carlson was a managing director and global head of credit derivatives trading. CSFB said that there are no plans to replace him. He has worked for more than 15 years in credit derivatives and structured products markets in the US and Europe at DLJ, UBS and Goldman Sachs.