Sotheby's announced the appointment of Marc Porter as chairman of the Fine Art Division. The respected executive will join his fellow Fine Art Division chairs, Allan Schwartzman and Amy Cappellazzo, in growing Sotheby's global specialist departments and advisory businesses. In addition, he will lead the company's business development strategy on a global basis. Based in New York, Marc begins at Sotheby's on January 17, 2017. With more than 25 years in the art market, Marc is uniquely suited to take on an important leadership role at the company.