Meet Kanye West's Stylist and Trusted Confidant: A Yale Undergrad Richard Lawson · 09/15/10 04:47PM Say hello to Cassius Marcellus Cornelius Clay, a Yale sophomore whose life changed at Barneys one day, when fashionable rapper Kanye West complimented him on his shoes and, eventually, invited the lad to travel the world as Kanye's right-hand man.