Mal Wilk has returned to Diamond W as sales manager covering Los Angeles, Ventura, Santa Barbara and San Luis Obispo counties. Wilk, a 57-year veteran of the industry, previously worked with the company from 1985-1992 and again from 2003-2005. He was most recently sales manager for Amigos Flooring Monsters. Sales manager Michael Sander will now cover Orange, Riverside, San Bernardino and San Diego counties.