Willem Haenraets was born in Rotterdam on October 9, 1940 and his talent was discovered at an early age.
When he was 16 years old, he started his education at the Academy of Arts in Maastricht.
Four years later he obtained a scholarship from the Belgian Government to study at the National Institute for Fine Arts in Antwerp, in the Master class of professor Sarina (Atelier Opsomer) and professor Vaarten.