Former Citigroup Co-CEO John Reed

Former Citigroup Co-CEO John Reed

Daniel Acker/Bloomberg

A file photo shows former Citigroup Inc. co-Chief Executive Officer John Reed speaking in New York during November 2007. Reed, who helped engineer the merger that created the third-largest U.S. bank, said he worries that a recovering economy, record stock prices and hefty bank profits might lull people into complacency.