Merrill Lynch's director of emerging markets fixed-income research has left the firm. Matthew Vogel, who covered Eastern Europe and Turkey, is said to have joined Barclays Capital in London, according to several people familiar with the move. Vogel's new role at Barclays could not be learned. Vogel was the most-senior emerging markets strategist in London and reported to Tulio Vera, head of emerging markets fixed-income research in New York. Calls to officials at Barclays were not returned. Vera was on holiday and could not be reached for comment.