The electronic trading platform MarketAxess Holdings is losing Nicolas Rohatyn, a prominent financier who has helped shape the company for more than a decade.
Weeks before Vikram S. Pandit’s surprise resignation on Tuesday as chief executive of Citigroup, the banking giant’s powerful chairman, Michael E. O’Neill, was privately huddling with other board members to plan how to replace him, according to several people briefed on the talks.
The frustrations of the board members had been building. This year the bank was publicly embarrassed when the Federal Reserve indicated Citi was not healthy enough to start paying more money back to shareholders.