Richard Lynn "Sandy" Alderson (born November 22, 1947) is an American baseball executive.
He is currently a senior adviser with the Oakland Athletics.
He previously served as the general manager of the New York Mets from 2010 to 2018, an executive in the Oakland Athletics and San Diego Padres organizations, and the commissioner's office of Major League Baseball.
As a front office executive, Alderson led the Athletics to a World Series championship in 1989 and led the Athletics to the World Series in three straight seasons.
Alderson led the Mets to the World Series in 2015.