In a banking-world shocker, Citigroup CEO Vikram Pandit abruptly resigned from the global banking giant this week. Stepping into the role at the bank is longtime Citi veteran Michael Corbat.

But who exactly is Corbat, and what should investors expect as he takes the helm at Citi? In the video above, Fool analysts Matt Koppenheffer and Anand Chokkavelu discuss the new blood at Citigroup and share their views on what this means for the bank's future.