Marc Ecko, born Marc Milecofsky in 1972 in East Brunswick, New Jersey, is an American entrepreneur and founder of the highly successful Marc Ecko clothing line and its parent company Marc Ecko Enterprises. His businesses range from magazines, fashion such as Avirex, G-unit, and Marc Ecko Cut & Sew, interactive entertainment and other diverse interests. Ecko was raised in a Jewish family in Lakewood, New Jersey. He started selling T-shirts in the mid 1980s, and founded his clothing brand eckō in 1993.