Date of Birth: 
About Jim McLean (golfer)
- James C.
- McLean (born May 18, 1950) is a leading American golf instructor.
- He is known for coining the phrase “X-Factor”, observing that the greater the differential between a player's hips and shoulders at the top of the swing, the more power the golfer can create.
- McLean is CEO of the Jim McLean Golf School, which operates from eight locations.
Read more at Wikipedia