Gary Shedlin, who was most recently chairman of Citigroup's
Shedlin notified Citigroup of his plans recently, the person told Bloomberg.
Shedlin had helped oversee the NYSE Euronext
Citigroup and Morgan Stanley declined comment to Bloomberg. Both the firms could also not be immediately reached for comment by Reuters outside regular U.S. business hours.
Citigroup's financial institutions group continues to be led by David Head, Bloomberg said.
(Reporting by Sakthi Prasad in Bangalore; Editing by Anshuman Daga)