US convenience store chain 7-Eleven has announced the appointment of Russ Klein as managing director of marketing and Robin Michel as managing director of merchandising. Jay Giesen has been named managing director of Vcom. Before joining 7-Eleven, Klein managed Whisper Capital Investments, a private investment and professional services LLC based in Chicago. He has held several executive positions in marketing and advertising, including executive vice president and managing director at Foote Cone and Belding, senior vice president, marketing, for Seven Up USA, and vice president and executive officer of the Dr Pepper-Seven Up Companies. He was also an officer at the Leo Burnett Company.