Citigroup has named a new leader of its sales and trading unit in central and Eastern Europe, the latest changes at the top in is markets business on the continent.

The US bank has named Richard Aby as head of central and eastern Europe, the Middle East and Africa markets, according to an internal memo seen by Financial News. The appointment follows the promotion of Fabio Lisanti to lead its sales and trading unit in Western Europe and Miguel Gabian as head of its sales and trading business in Spain and Portugal in February.