Van de Walle is also a non-executive director of Aegis Group but he will retire from the position this month following six years’ on the board.
Aviva says Van de Walle has extensive marketing and brand experience, particularly in the consumer goods sector.
Chairman Lord Sharman of Redlynch says: “I am delighted to welcome Leslie to Aviva. He brings an international outlook, strong analytical ability and an excellent track record of delivering improved performance. I am confident Leslie will make a valuable contribution to Aviva at what is a very exciting time in its development.”