Chicago - Playboy Enterprises (NYSE: PLA) chairman and CEO Christie Hefner, daughter of founder Hugh Hefner, announced on Monday that she will step down from both positions. Hefner will remain as CEO until Jan. 31, and will remain on the board until a new CEO joins the company. "Playboy Enterprises Inc. has literally and figuratively been my life and career for more than 30 years," Hefner said. "Last month marked my 20th anniversary as CEO; just as this country is embracing change in the form of new leadership, I have decided that now is the time to make changes in my own life as well."