is a visual artist and author working in illustration, painting, collage and sculpture. His critically acclaimed picture books have been released internationally and translated into over thirty languages, and his artwork has been exhibited at institutions including the Brooklyn Museum in New York City, the Irish Museum of Modern Art in Dublin, the National Portrait Gallery in London, the Ulster Museum in Belfast and the Palais Auersperg in Vienna. Oliver has been the recipient of numerous awards, including a New York Times Best Illustrated Children’s Books Award, Irish Book Award, Texas Bluebonnet Award and United Kingdom Literary Association Award. He will release his fifteenth book as author and illustrator in late 2016. Oliver grew up in Belfast, Northern Ireland; he currently lives and works in Brooklyn, New York.