May 20 (Reuters) - Morgan Stanley Chief Executive Officer James Gorman has unveiled a slew of leadership changes at the bank with eyes on a successor for the top job, Bloomberg News reported on Thursday. Ted Pick, the head of the bank"s institutional securities group, and Andy Saperstein, the head of its wealth management unit, were tapped as co-presidents, the report said. (bit.ly/3weXdGG) The bank did not immediately respond to a Reuters request for comment. (Reporting by Niket Nishant in Bengaluru; Editing by Aditya Soni) Our Standards: The Thomson Reuters Trust Principles.