Wal-Mart has put forward two more independent directors – including the former CFO of its Japanese operations – for nomination to its board.

Gregory Penner, a former Wal-Mart executive and now general partner at Madrone Capital Partners , and will go up for election at the retail giant’s AGM in June.

The nomination of Arne Sorenson, CFO of hotel chain Marriott International , will also be put to a vote at the meeting.