Bernard Lietaer (1942 – 4 February 2019) was a Belgian civil engineer, economist, author and professor. He studied monetary systems and promoted the idea that communities can benefit from creating their own local or complementary currency. He was born in Lauwe, Belgium. Lietaer was known for his books The Future of Money: Beyond Greed and Scarcity and New Money for a New World.
Lietaer died on 4 February 2019 at the age of 76.