Investment bank Lazard have confirmed Guido’s story from Monday:

“London, 21 January 2011 – Lazard Ltd (NYSE: LAZ) announced today that Lord Mandelson, former Secretary of State for Business, Enterprise and Regulation, effective immediately.   As a Senior Adviser, he will provide independent strategic counsel to the firm and its clients.”

Clients like Kraft, who took over Cadbury, on Mandy’s watch. You read it here first.