Unifi Inc., Greensboro, N.C., has appointed Richard E. Gerstein to executive vice president, global branded premium value-added products and chief marketing officer; and John Vegas has been promoted to executive vice president and global chief human resources officer. Gerstein brings 30 years of P&L and marketing expertise and has served in executive roles for a number of global companies. Vegas has more than 20 years of global business experience and has served in human resources, general management, sales and retail operations for three Fortune 1000 companies.