Liffe has appointed Andre Villeneuve to replace Brian Williamsonas chairman, with immediate effect. Villeneuve was previously executive chairman of Instinet. Williamson stepped down from the chair earlier this year to comply with a Dutch law preventing him from simultaneously holding that role and a seat on the Euronext supervisory board. Villeneuve's career began in 1967 when he joined Reuters as a journalist. From 1981 to 1990 he was president of the company's North America business, taking charge of Latin...