Instinet, the global electronic agency broker, has appointed Natan Tiefenbrun as president of its international division in a move aimed at consolidating and developing the firm's global presence.

Tiefenbrun, who joined the London office of the Reuters-owned firm in 1993 before moving to New York in 2000, has been promoted from senior vice president of the global portfolio trading division. He will now take charge of enhancing Instinet's worldwide equity products and services.