NEW YORK, NY.- Christie’s International, the world’s leading art business, announces new appointments to the firm’s global Impressionist & Modern Art team for 2012. The following staff advancements will strengthen the team’s reach internationally and reinforce the firm’s position as the auction house of choice among both new and established collectors worldwide. Effective immediately, Thomas Seydoux will assume the role of Chairman, Impressionist and Modern Art, focusing on securing business for both auction and private sales at the most senior level. As International Head of the Department since 2009, Mr. Seydoux has led the team to numerous record-setting sales at Christie’s salerooms in Paris, New York and London, ensuring an overall market leadership position for the department for four of the last