Thomas Sidney "Tad" Smith, Jr. is an American businessman, the former president and chief executive officer of Sotheby's. It is the oldest company traded on the New York Stock Exchange. Smith is also an adjunct professor at New York University's Stern School of Business. Smith received a Master of Business Administration from Harvard Business School where he was a George F. Baker Scholar and a Horace W. Goldsmith Fellow. He received a Bachelor of Arts from Princeton University's Woodrow Wilson School of Public and International Affairs, where he received the R.W. Van de Velde Award. He has also served on numerous industry and nonprofit boards and advisory boards. Mr. Smith resides in Westchester County, New York, with his wife and two children.