Wies Platje is a retired lieutenant commander of the Royal Netherlands Navy. For over thirty years he held various functions within the Netherlands Navy Intelligence Service. He is a member of the NISA Board and one the organisers of the NISA/IDL International conference on Peacekeeping and Intelligence in November 2002 in The Hague, and subsequently one of the Editors of the first book devoted to this topic. He is the author of a book about the Netherlands Navy Intelligence Service, published in 1997 and one of the contributors to Secrets of Signals Intelligence during the Cold War and Beyond (London: Frank Cass Publishers 2001).