Sotheby’s just announced that Adam Chinn is leaving the company at the end of the year to be replaced by John Cahill as Chief Commercial Officer and Ken Citron running operations:

Sotheby’s is pleased to announce the appointment of John Cahill to the role of Executive Vice President, Chief Commercial Officer, and Ken Citron to the role of Executive Vice President, Operations & Chief Transformation Officer. The two new positions assume the previous role of Sotheby’s Chief Operating Officer held by Adam Chinn, who will be leaving the company at the end of the year. Cahill and Citron will join Sotheby’s in January, working closely with the Company’s leadership around the globe and reporting directly to Tad Smith, Sotheby’s CEO.