Sam is a man that prefers to be alone, whether it is in the field or in his personal life. Serving in organizations like the CIA, the NSA, DEVGRU, Third Echelon, and even organizations like Paladin Nine Security, Sam "Zero" Fisher a self-dependent human being, a loner. As a reserved man, Sam doesn't talk as much but he tends to be good and somewhat philosophical with the use of words when doing so. Sam Fisher is 63, 5’10”, and 175lbs. Sam Fisher is extremely agile and athletic.