Ivar Kreuger (Swedish pronunciation: [ˌiːvar ˈkryːɡər]; March 2, 1880 – March 12, 1932) was a Swedish civil engineer, financier, entrepreneur and industrialist. In 1908 he co-founded the construction company Kreuger & Toll Byggnads AB, which specialized in new building techniques. By aggressive investments and innovative financial instruments he built a global match and financial empire.