Keegan and Roos replace Derek Bandeen, Citigroup's head of equities, who announced his retirement in April but remained in the position until a replacement was found.
In the meantime, Reuters also reports that Gordon Neilly, Co-CEO of Cantor Fitzgerald Europe has resigned from the investment bank, as it continues to expand in the region, according to a memo seen by Reuters.
In the memo, dated May 4, Shawn Matthews, CEO of Cantor Fitzgerald, said Neilly had resigned with effect from May 6.
"Gordon Neilly has resigned to take his career in a different direction and explore opportunities outside of investment banking," a spokesman for Cantor Fitzgerald Europe said.
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