Ronald de Leeuw has been the director of the Van Gogh Museum in Amsterdam since 1986. He trained as an art historian at the universities of Los Angeles, California, and of Leiden, The Netherlands. As a specialist in nineteenth-century painting, he has been responsible for numerous exhibitions in The Netherlands and abroad, including the 1990 Vincent Van Gogh Centennial retrospective in Amsterdam. Since 1990 Ronald de Leeuw has also directed the Museum Mesdag in The Hague, known for its fine Barbizon and Hague School holdings. In 1994 he was appointed professor extraordinary in the history of collecting at the Free University of Amsterdam.