Els Cools was born in 1966 in Belgium. She studied graphic design and illustration at Sint Lukaspaviljoen in Antwerp (Belgium).
OLIVER STREICH was born 1968 in Switzerland.
He studied illustration and graphic design at Kunsthåndværkerskolen in Kolding (Danmark).
In 1990 they received a scholarship to study illustration at the Academy of Bratislava (Slovakia). There they met, and decided to illustrate books together. 
In 1992 they moved to Faaborg in Denmark, 
where they have an art studio and illustrate books, magazines and papers. They also run a little gallery where they exhibit their artwork.  
Oliver teaches art at different schools and levels. .