Bernat moved from his natal Barcelona to New York in 1990 to attend Parsons School of Design and later the Fashion Institute of Technology. In the mid-nineties, he worked as associate fashion director at Donna Karan New York until 2000, when he became a freelance fashion editor and stylist. He has worked for numerous publications such as Vogue Spain, Vogue Arabia, El País Semanal, Wallpaper, Time, Vanity Fair, New York Magazine, Interview or Número France. Bernat has also worked as a creative consultant for various designers, ranging from Custo Barcelona to Isabel Toledo. His client list also includes brands like Carolina Herrera, Gloria Vanderbilt or Jean Patou Parfum.