Ecko Unlimited has named Byl Thompson vice president of brand marketing, a new position for the firm.Thompson was formerly head of marketing at Sean John, the men's apparel company. In this position, he will oversee all of the company's marketing functions as well as the firm's website business.Ecko, the contemporary youth brand, launched its first product line in 1993. Sales this year are expected to reach $180m.For more information, visit the company website at