The renowned jacket designer Jeff Hamilton was born in Morocco, relocated to Paris when he was eight years old, and then started his enduring career in fashion design. As the creative designer of the first men's Guess jeans brand, Hamilton rose to prominence in the fashion industry after immigrating to the United States as a young adult. Four decades after leaving Guess, Hamilton has developed into one of the most recognizable and well-known jacket designers among singers, athletes, and celebrities throughout the world. Jeff Hamilton had license agreements with all of the major professional sports leagues by the early 1990s