Derek Lam is an American fashion designer, known for using pretty, feminine fabrics combined with clean silhouettes. Lam began working as an assistant for Michael Kors for four years. In 2003, he launched his own label. Signature pieces include raw silk sheath dresses with plunging necklines, wide-leg trousers in various wools and dainty cashmere pea coats cinched with stiff silk belts. In addition to designing his own line, Lam works as Tod's Creative Director.