 Following his return to the United States in August 1953, he resigned his Reserve commission to resume his baseball career.After retirement from play, Williams helped Boston's new left fielder, Carl Yastrzemski, in hitting, and was a regular visitor to the Red Sox' spring training camps from 1961 to 1966, where he worked as a special batting instructor.He served as executive assistant to Tom Yawkey (1961–65), then was named a team vice president (1965–68) upon his election to the Hall of Fame.