Baseball executive who became the general manager of the New York Mets in 2010 and was one of the first GMs to apply the principles of sabermetrics.
He graduated from Dartmouth College and Harvard Law School.
He was the CEO of the San Diego Padres from 2005 to 2009.
His father John Lester Alderson was an Air Force pilot who flew missions in World War II.
He was a mentor to Billy Beane, who eventually succeeded him as general manager of the Oakland A's.